Stories

Let’s take a ride. It is going to be a fast one, so be prepared. Where are we going? We are going to start at your head and end up at your toes. It may not seem like a long trip, but it is going to be fast. It may be the shortest and fastest trip of your life. Are you ready? Let’s begin.Also…

Are we robbing ourselves of our own natural treasures? A team of scientists is investigating how human-caused climate change is affecting U.S. National Parks.

When we think about using the natural power of the earth, like sun or wind, we don't usually think about how this might hurt animals. But researchers are finding that we can use sustainable energy while still taking care of our flying friends.

Trap-jaw ants come with spring-loaded jaws that can snap shut faster than any other animal's. But they may also use their jaws to catapult themselves through the air.

Whoever came up with the saying “don’t judge a book by its cover” probably never met the Chinese Grouse (Tetrastes sewerzowi). For the Chinese Grouse, judging a mate by its cover is actually the way to go.

Families are important to many animals, but are they also important to organisms made of just one cell? For amoebas, the ability to recognize relatives can make a world of difference.

When you visit a pond or the beach, what kinds of living things do you see in the water? Depending on the environment, you might find fish, frogs, crabs, insects, seaweed, or lily pads. Don’t let your eyes fool you, though… there’s a hidden world in water full of creatures too small to be…

Reading a scientific article can seem like a difficult task. To help get you started, we first discuss what all goes into a scientific article. Then, when you're ready, click on Article Dissection to see how a scientific article can be broken down into parts that are a bit easier to…

When it comes to fighting off bad germs, doctors have to use their best medicines. What do we do though, when our best weapons make our enemies stronger?Also in: Español | Italiano |…

There are so many types of ants that it's funny the animated movie about them centers on one type that doesn't exist: a male worker ant. In this story you can explore some of the types of ants you can find in the southwestern United States.

Plankton are ocean creatures so small we can't see them without a microscope, but just because they are small doesn't mean they don't play an important role in the ocean ecosystem.

Like humans, bats are mammals. They are warm-blooded, covered in hair, have live young, and nurse their young (called pups). Unlike humans, bats have wings, which allow them to fly.Also in: Nederlands | Français |…

Did you ever wonder what causes river rocks to be slippery? Can you believe it's the same thing that causes plaque on your teeth? Learn about this "biofilm," and how Valerie Stout is fighting it (in some cases) to improve medicine.

We can learn a lot about animals by watching their behavior, but what about by looking at their surroundings? See what scientists can learn about bats based on the type of environment in which they live.

What is all the buzz about honey bees? Are they disappearing? Will you be attacked by the Africanized form of the honey bee? These are just a few of the things you will learn in this story.Also in: Español | हिंदी

Orchid bees come in an amazing array of shapes and colors. You could call them the jewels of the bee kingdom. Also in: Nederlands | Español | Deutsch

For more than twenty years, making bee movies has been a part of the research work of professor Brian Smith.

Being able to choose which people we interact with seems to affect how happy we are and how well we do our jobs. Is this true in other species? Learn how choosing a mate affects the success of zebra finches in making and raising young.Also in:…

A story of blood, love, and family… Learn about one of the biggest and fanciest blister beetles anywhere. This species goes by the scientific name of Lytta magister but has also been called the “master blister beetle,” most likely in honor of its large size.

These enormous insects depicted in bad B movies exist mostly in the realm of science fiction. However, insects of giant proportions really did exist 300 million years ago.Also in:

The study of biology is such a part of our lives today, it's hard to think that there may have been a time when that wasn't the case. Take a trip back through time to see when the study of biology began.Also in: Español | …

The climate on our planet is changing, but what does this mean for living things, like plants and animals? Scientists investigated how birds respond to the changing climate.

No two environments on Earth are the same. But with so many places to learn about, we often need to talk about some environments as a similar group rather than individually. For that, we have the brilliance of biomes.Also in: Français | …

Your mom tells you to eat all your vegetables for a reason, because she wants you to grow big and strong. She doesn't just want your body to grow strong. She wants your brain to grow strong too.

Pierre Deviche's love for the outdoors led him to doing field research on the timing of breeding in birds.

All living beings are made up of cells. Some of them are made up of only one cell and others have many cells. Also in: Español | Français | Deutsch…

Nine months – that’s about the amount of time that healthy babies develop before they are born. But what if that nine months is a bit more flexible, and can change in response to the environment?

Cancer cells decide how to behave by “listening” to signals around them.  Scientists recently studied these signals by watching cancer cells as the cells moved through their environment. 

Everything that is alive is made of cells, but there are really only two main types of cells. Learn how these cell types became different and why they are so important to life.Also in: Español | …

Did you ever think the search for the “fountain of youth” would end up inside of our very own cells? There are some scientists that have found that parts of our cells might hold the answer to aging and diseases like cancer.

David Pearson is a research professor in Arizona State University's School of Life Sciences. A speaker of five languages and capable of getting into trouble in maybe three or four other languages, he's traveled the world studying tiger beetles and recently published the book, A Field Guide to…

How careful are you with your words? Scientists are figuring out how to choose words more wisely to have a better chance to stop certain diseases.

What is cloning and do we have clones living among us today? The answers might surprise you or maybe we should say ewe.

Peruvian poison frogs mimic, or look like, other poison frogs that live in the same area. But they don't just look like one other species. Depending on the location, frogs of this species may mimic one of many other species of poison frog.  

The career path for biologist Kevin McGraw was set by a chance sighting through a window of a Costa Rican coffee shop.

Our daily life depends on the ability to see, hear, feel, and smell at the same time, a skill that develops during childhood. In this article scientists studied how the brain develops the ability to combine sensory information. 

The majority of life in the ocean is found near the shore, in the coastal biome.Also in: Français | Español

Almost all of our cells contain identical copies of DNA. But wait...with the same instructions, shouldn't all cells look and function the same? Learn how our bodies use the same instructions to make all kinds of different cells.Also in:…

How do wild animals defend themselves against infections? Biologists studied a wild population of sheep to work out whether being tolerant of infections could be as good a strategy as killing infections.

Look closely at John Alcock's critter littered yard and you'll be bug-eyed. He decorates the front with cow patties, spends hours watching sleeping bees and occasionally wolfs down a cricket or mealworm to amuse or horrify his guests. "I'm just considered a mildly eccentric person," admits…

Climate is a hot topic in the news and on internet websites and blogs. But what exactly is climate? And how do we know it is changing?Also in: Español

Professor Ferran Garcia-Pichel sweats the small stuff. The really, really small stuff to be exact. The easygoing Arizona State University-based microbiologist loves to look beyond the surface to explain what is happening in the tiny world of microbes.Also in: …

What is gene editing? And how does the one of the most-used gene editing tools, called CRISPR, work? Also in: Español

An imaginary conversation between two great thinkers, Charles Darwin and Gregor Mendel. While the monk, Mendel, had read Darwin’s publications - Mendel's work only came to be known later. We can only imagine what the two might have talked about.

Signals from the brain have been used to help scientists understand how people see, move, and make decisions. In this experiment scientists tested whether they could also use these signals to record a person's emotional state. Would they be able to detect fear, surprise, sadness, and more by…

Deserts can be a bit of a mystery--we picture them as hot, barren places, but that's not always true. Deserts are found in both the hottest and coldest places on Earth, and some of them have lots of plant and animal life, you just need to know where to look to find it.Also in:…

The digger bee is just one of about a thousand species of native bees in Arizona, many of which have females that burrow into the ground with their jaws and legs when constructing a nest.

Also in: Español

Desert flowers do not own the spot light when it comes to beauty. Many desert fruits deserve equal attention.Also in: Español | Français

Diabetes affects nearly one tenth of the population in the United States, but we still have a lot to learn about the disease. Researchers are finding that a lack of specific proteins might reduce our abilities to absorb sugar, making it a key player in the diabetes problem.

As you watch a butterfly navigate the flowers in your back yard, or a pesky fly avoid your flyswatter, keep in mind their vision is quite different than yours and mine.

DNA is the ultimate how-to guide used by all living things. It packages all the instructions for building maintaining all our life forms and it easily fits inside a cell.Also in: Español

How much has the human brain changed from the brains of our ancient ancestors? Evolutionary psychologists think that the modern human brain has not changed much over the past 50,000 years, but other scientists disagree.

You might think of your parents as being old, or being fairly young; maybe they are many years apart in age. Did you know that parental age may affect the likelihood that a child will develop a brain disorder? 

Depression affects millions of people worldwide yet anti-depressive medications only work on a handful of people who suffer from the disorder. By looking at depression through the lens of evolution, scientists may learn more about depression and how it can be treated.

Everyone gets stressed. Many of us find that listening to our favorite song usually brightens up our mood. Scientists wanted to study whether music can actually affect stress levels in the body. 

Scientists are finding out that even though dogs look very different on the outside, what causes them to look that way is much similar than we thought.

Hospitals try to stay clean and reduce the spread of germs within their walls, but what happens when medicines and bacteria from the hospitals reach bacteria in the sewer?

We celebrate Earth Day every year, but in reality every day is Earth day. For our part here are some fun activities and things you can do to help the Earth.

Could it be your stomach and not your brain that is keeping you up at night? Scientists are learning that for some species, the effects of sleep loss may depend on how much fat an animal stores.

Not all exercise is the same, but all exercise can help you grow strong and keep you healthy. Exercise can also help you with your homework and that science project due at the end of the year.

Imagine being the size of an ant. Be careful - a face-to-face encounter with an ant would be scary and potentially life-threatening! But, if you avoided being eaten, you could learn a lot about ant anatomy from a close-up view. Ants have many body parts that are normally hard to see without a…

Lakes, ponds, streams, and rivers are all sources of freshwater. But there is a lot less freshwater on earth than you might think. Fall into freshwater with us to learn some new things about this near-saltless water biome.Also in: Español |…

Almost everyone has wished at one time or another to be able to fly like a bird. Just the thought of soaring above your city or town without any mechanical device gives us a reason to envy these feathered animals. Also in: Français |…

When it comes to digesting your food, you may think that your body does all of the work by itself. In reality, your gut is full of helpful bacteria that help break down your food and keep you healthy.

Ask A Biologist stands in support of Black Lives and people of color (POC). As a scientific and academic entity, we have benefitted from the progress made by Black people and other POC, and have learned from the viewpoints of people with a diverse range of backgrounds. Despite the benefits of…

Fish use their two fins and a tail to glide through the ocean, but some fish like the mudskipper use their fins for flopping across land too. Scientists are investigating how fish evolved limbs to walk on dry land.

Some ocean dwelling species are starting to go extinct. Scientists are researching whether how many species there are in an ocean environment has anything to do with this fishy vanishing act.

It's pretty easy for people to find their way around, but is it easy for insects? Researchers are finding that even without maps and navigation devices, bumblebees can usually find the best route to take when collecting pollen.

Birds in the city seem to have endless options of places to eat. How do they choose, and where do they prefer to eat most?

Most humans can determine whether or not they know someone by looking at her or his face. Scientists have discovered that humans are not the only animal with this ability. The cichlid fish can also use facial differences to tell each other apart.

When you think of the Arctic, you might picture mostly empty ice. But the Arctic ecosystem is home to many organisms, from microscopic bacteria to large animals like whales and polar bears. Much of this life in the Arctic depends on tiny organisms called plankton which make up the base of the…

Time flies when you're having fun, especially when playing video games. Researchers examine how it is that gamers can lose track of time playing their favorite video games.

We are often taught that germs are bad, but what if exposure to germs or other microorganisms has long-term positive effects? Recent studies show that certain microbes in our environment might actually offer a protective effect against Alzheimer’s Disease.

Some people gaze out at the landscape and see plants. Associate Professor Kathleen Pigg of Arizona State University sees the latest chapter in a long story.

Is there such a thing as too much time on the Internet? Scientists are studying the affects of Internet use and how it can be addictive for some people.

This could bee - yes, bee - a key to our sweet tooth and possibly a way to learn more about diabetes.

Grasslands may look like they sound – just land filled with grass – but there is a lot more to grasslands than you might think. Also in: Español | Français | Português

Have you wondered if it was possible to be a cyborg? Half man and half machine? Scientists are conducting experiments to see how brains control robotic limbs.

While cannibalism is fairly common among insects and crustaceans, most backboned animals avoid feeding on their own kind.

McGaughey (pronounced McGoy) is a researcher at Arizona State University who studies reproduction of mammals. He is a consultant at a hospital, where he is part of a team that implants fertilized eggs into the uterus of women who have not been able to conceive a baby by other methods.

Even a toddler can recognize his mother's voice on the phone, but what parts of the brain help match voices and faces in your brain?

Temperature is important to all organisms, including you. Professor Angilletta studies the thermal biology of animals, which means that he investigates how different temperatures affect them.

Every living thing must be able to reproduce and make offspring. Most of us are familiar with how humans and mammals make babies, but do all creatures reproduce in the same way? Do insects, like the beetle, give birth to little insects? Also in:…

Whether a friend whispers in your ear, or you hear a jet flying high in the sky, sound is all around you. But how does a tiny sound wave change from waves in the air to sounds or sentences that we can understand? Also in: Français |…

Have you ever wondered how an image is seen by your eyes, and how your eyes can tell your brain what they are seeing? Learn all about how your eyes and brain work together to show you the world.Also in: Español | Français

Humans interact with their environment using their sense of touch. This story explores how touch works.Also in: Español | Français

Cancer is a disease that affects a lot of  people. But there are still many things that scientists don’t understand about it. The goal of this experiment was to see how stem cells are involved with the growth and spread of cancer cells. 

Searching for things on the Internet can be like hunting for a needle in a large haystack. Just how large is the Internet?

When you think of hummingbirds, you may think about how they can fly in almost any direction. But there is a lot more to these acrobatic birds than meets the eye.Also in: Deutsch | Türk

West Nile virus is spread by mosquitoes and becomes more common in humans during the summer months. Is there a connection between the feeding habits of mosquitoes and the spread of the virus to humans?

We hear the word ecosystems in the news and at school but just what are ecosystems? It turns out there are lots of ecosystems. You might even learn you have some inside you! Also in: Français | Español…

Do you notice when your brother or sister take stuff from your room? Even if they put it back, you can still see those small differences. Scientists are studying what part of your brain is responsible for seeing those kind of changes.

Have you ever wondered what makes one animal different from another?  Scientists conducted an experiment and found that food is one of the reasons chimpanzees and humans are so different.

The past can be hard to remember, so how can we go about studying it? Indiana Jane takes us on a tour of humans from the past, ancient microbes, and the bioarchaeologists that study them both.Also in: Español

If the world of fashion were to choose the most fabulously colored animals they would likely decide upon butterflies and birds. These animal fashion statements are well known to most people, but what is less clear is how and why these bright colors have evolved in the animal world.

City life can be stressfull for people, but what about for other animals? Learn what scientists found out about the effects of city life on the stress and health levels of birds. 

The story of a frog's life in the rainforest can be one filled with danger. Some frogs are brightly colored and other blend into the forest. Do bright colors work better than dull colors for keeping a frog from being eaten?

Mud may look boring, but it has a lot more going than you might think. Some clays can kill bacteria, but exactly why they could wasn't clear. Scientists tested whether bacterial killing ability of some clays is due to the ions attached to them.

Tardigrades are some of the toughest animals on earth. They can survive freezing, drying up, radiation, and space, all while being smaller than the tip of a pencil.

Have you ever wondered how different animals are related? Marsupials like kangaroos live in Australia, but scientists think they may have traveled there from as far away as South America.

Plateau Pikas are one of the 30 species of pika worldwide. All 30 species of pika are similar in appearance. They look like round balls of fluff about 6 inches long with prominent round ears and a small tail hidden under their fur.

Wheels are common in our lives but rare in nature. A larval tiger beetle is one of the few animals in the world that turns into its own wheel to help it move along sandy beaches.

Mom might have told you that video games would rot your brain, but scientists are finding ways to use video games to make your brain stronger. This is especially true when it comes to treating vision disorders like a "lazy eye."

Fruit may just be something that you like to eat. For the fig wasp, fig fruit is more than just a food--it's where life begins and ends.

Have you ever wondered how animals and plants get their names? People give them names, lots of different names! That was how it used to be before Carl Linnaeus created the world of taxonomy.

Life on other planets. Is it possible? Are there going to be little green people, or a friendly Martian? This PLoS article is the story about how scientists are looking for life beyond our planet.

Much like a mechanical watch, living things only work when all the gears work together. Some of the tiniest of gears are proteins. Learning about the shape and size of these proteins is the job of X-ray crystallography.

Mushrooms can be mysterious. You might know that some are poisonous while others can be tasty, but did you know that a few kinds can be used as medicine? Learn more about the new ways scientists are using mushrooms to treat cancer. 

By the time the first endangered species list was made, many species had already gone extinct.  Some species, like whooping cranes, were almost extinct at that time.  But the US government did not begin to protect animals as endangered species until they were put on the official…

Most of us wish we could predict the future. We want to know everything from who will win the big football game to whether or not our favorite superhero will defeat the super villain. Biologists want to know the future too.

The largest biome on Earth is also one of the least explored. Come take a look in the mysterious ocean, a watery world that is home to organisms of all kinds.Also in: Français | Español

Transforming robots are favorites of television and movies, but nature has some of the best transformers. Animals that can change in ways that almost seem unbelievable. Also in: Español

Biologists at Arizona State University hope that by learning more about animal behavior, they will also be able to understand why people act the way they do. Also in: Español

Thousands of orange and black shapes flutter through the trees. Welcome to one of the few wintering homes of the monarch butterfly. Also in: Español | Français

They say mother knows best; this may be especially true when it comes to moms sharing protective immune molecules with their babies.

Africanized "killer" bees have fallen prey to a deadly predator of their own- parasitic mites whose infestation has dropped their wild colony numbers by as much as 70 percent statewide.

Does being born a son or a daughter mean your reproductive success might be different? In some societies, it does. 

Magic might be real, at least in the brain, for some people. Scientists are finding that magicians' brains are wired differently than those of the average person.

When humans change an environment, it means we can lose species. And losing species is bad news for humans, animals, and the environment.

Colors are not just for humans. In fact, Mother Nature has been playing with color and love for very long time. What are these colors of love? Are they all the brightest and boldest colors, or is there more to the story?

Medicinal plants come in all shapes and sizes. Probably some of the weeds growing in your yard, fields, or even cracks in your sidewalk are medicinal. Who knew there was a different kind of drugstore—a vital and ancient one—all around us? Also in: …

Sea life might not appear to be restricted to living in certain areas. But often they can only live in specific areas, even in the deepest parts of the ocean.

Scorpions are often misunderstood. Many people say that scorpions are so aggressive they will sting themselves to death, but this is not a natural behavior of scorpions in the wild. Also in: Français |…

The open ocean is the largest biome on earth and it is the least understood. What undiscovered life might float in the dark, deep, depths of the sea?Also in: Français | Español

Arianne Cease isn't just any locust biologist. She's also a sustainability scientist, as she's bringing together all kinds of researchers to work on reducing the number of locust swarms, which affect 1 in 10 people across the globe.

Tuberculosis (TB) can be a lethal infection that affects your lungs and can make breathing difficult. Here, scientists investigated how a new TB drug, called bedaquiline (BDQ), works in the body, and which combination of medications helps BDQ work better. 

A transplant is what happens when doctors take a body part from one person and give it to another person, kind of like Frankenstein except not so scary-looking. Scientists are hard at work on some of the most difficult parts to transplant like hands and faces.

Ouch! You just got a paper cut on your finger. What happens now? Besides the sting you are feeling from the cut, there are germs on that paper that are preparing to invade your body. For your immune system, this means war.Also in: Türk

When a tumor grows in a human body, you'd think that the body would fight it every way possible. But our bodies build vessels that deliver blood to tumors, helping them to grow. Scientists are trying to figure out why this happens so they can stop our bodies from feeding tumors. 

For biologist Kate Ihle the rainforest holds the secret of her favorite insect. Wearing their their irredesent greens and blues, orchid bees are slowing sharing their story of life in the jungle. Also in: Nederlands | Español

Being a parent is hard work. Though a snake might not seem comforting to you, pythons are actually very dedicated moms that take good care of their kids.Also in: Español

You may know that plants need air, water, and sunlight to survive. But they also need a special molecule called phosphate. Learn more about phosphate, plants, and why genetic modification may be able to fix some of our plant problems.Also in: Español

Most might be surprised that pollen is being used to catch thieves, illegal drug dealers, murders, terrorists, and even catching those who commit less visible crimes such as making and selling fake prescription drugs.Also in: Türk |…

Most people believed that Neanderthals, a species related to humans, were hunters that only ate meat. By taking a look at the Neanderthal’s fossilized poop, scientists discovered that there was more to their diet than just meat.

You know you're sick, but what might you have? Is it bacteria, fungi, or viruses that are causing your illness? Learn about the differences between these pathogens and about how certain medicines can treat some, but not others.Also in: Español…

Are we armed with all the information to fight the worst diseases, even the ones that we’ve just discovered? Scientists wanted to create a list to identify the worst diseases to gain more information and be ready to help treat these diseases. 

There are different ecosystems all around the world. All of these ecosystems are supported by the animals, plants, and other things living there. Researchers are learning that even the very rare species are important for an ecosystem to survive. 

The rainforest is the wettest biome on Earth and is home to half of all species.Also in: Français | Español | Italiano | …

Mutant robots with six arms and a mind of their own are stuff of science ficiton, right? Scientists are challenging that idea by creating robo-mutants in the lab and seeing how they evolve.

Scientists study the science of basketball teamwork and how different networks can make the difference between winning and losing.

No, urchins are not indigenous to the desert. The usual home for Strongylocentrotus purpuratus is the ocean's rocky floor for grazing along the intertidal and subtidal areas. Also in: Français |…

To a new visitor, the savanna may look just like a grassland with a few trees. But if you spend some time in the savanna, you learn it is quite different from other biomes.

Also in: Français | Español |…

Ants are everywhere - they thrive in forests, fields, deserts, and cities all over earth. But what is the secret behind their success? Like humans, ants are social. They live and work together in highly organized societies called colonies.Also in: Español…

Did you ever wonder why you see the colors you do or if other animals see the same colors that you see? We see light that bounces off of things around us. When the light enters our eyes, special cells tell our brains about the light. Also in: Français…

Living things need to be able to sense the world around them to avoid danger, find food, find mates, and for other important activities. Learn about the five senses used by many animals to sense the environment.Also in: Français

Many animals, including humans, build homes to live in. But when you have a home, you often need to work hard to defend it. In this article scientists discovered a peaceful defense mechanism that giant honeybees use to fend off predators and protect their homes.

Many things change during the seasons, including the temperature and the amount of rain that falls. Plants and animals also change with the seasons.Also in: Español | বাংলা

Food fit for a king or maybe a local pot-luck dinner. These six-legged recipes will be sure to have everyone talking. In some cases, you might end up the buzz of the meal.

Could more sleep make fewer bullies? Scientists have learned that there may be a link between sleep, technology, and bullying behavior.

Tucked away inside steel-gray cabinets in the Life Sciences Building is a different kind of library known as the ASU herbarium. The stacks upon stacks of color-coded folders contain more than 210,000 plant specimens -- a kind of botanical history of Arizona and the world.

If it weren't for plants, most of the other organisms on this planet wouldn't survive. Most plants can use energy from the sun to make their own food. Let's take a closer look at the complex process of photosynthesis that gives them this special ability.Also in: …

The life and work of Gregor Mendel has some surprising pieces. Known as the father of genetics, his work was mostly unnoticed for 30 years after he published his famous paper. It is also possible this famous scientist suffered from test anxiety.Also in:…

Little water, sweaty, hot summer days and frigid winter nights make the desert an uninviting place for most animals and plants. But hiding just below the surface, the desert is alive with microbes—tiny, living things too small to see without magnification.Also in:…

Being an astronaut is a cool job, but before you sign up you should know life in space isn’t all fun and games.  The lack of gravity can make our bodies act in strange ways.

Also in: Shqipe | Italiano…

The human brain works quickly and handles difficult tasks. Is it just the size of our brains that allows us to do these things? As it turns out, it may also have a lot to do with how well our brain cells can send multiple messages to other cells.

As most spies know, the best way to infiltrate a group is to look and act like the members of that group. But what does it take to be a spy among ants? One beetle may have figured out the ultimate ant imitation strategy.

Watching the news is a daily part of life for some people. What effect does that action have on the rest of your life? Scientists studied whether news reports can influence what you search for or communicate through your network when online.  

Many people know that the brain is important. But what does it really do, and who has a brain? In this article, scientists investigated what students think about these questions to try to understand how much they know about the brain. 

Melissa Wilson Sayres never expected that her love for both math and biology would lead her to studying genetics and sex chromosomes. But the newest surprise in her work comes from finding out about some very colorful monsters.

You might think that most places on Earth experience the changing of seasons because of the distance from the Sun. But, surprise, that's not the cause. Come and learn some new information to lean on about the tilt of the Earth. 

Humans are constantly changing the world. This can be in good ways, but sometimes it is also in bad ways, like with pollution. Learn the ways in which we can help the world around us by understanding how we affect nature.Also in: Español

In many fairy tales and folktales, the temperate forest is a place for discovery, adventure, and maybe a little magic. What makes this biome so special in our minds? Maybe it's the animals, the quiet that can be found there, or the way the leaves change color with the seasons.Also in:…

A tiny creature that flies and swims at the same time caught the attention of Arizona State University Professor Richard Satterlie a few years ago.

Humans and insects have more in common than you might think. We share a broad range of similarities, covering everything from muscle and nerve structures to the ways our cells communicate.

With their tails wagging and noses sniffing, can dogs tell what we can't with our eyes? These scientist wanted to find out the answer.

The colorful wings of butterflies and moths aren't just part of a beauty contest.  Learn how these changes in coloration have allowed species like the peppered moth to survive in an ever-changing environment.Also in: Deutsch | …

Breast cancer screening that is built around each patient’s needs and risks may be more successful in diagnosing a disease early. In this experiment, scientists studied a new strategy to help to better identify people at risk for breast cancer.

We used to believe that tadpoles always came from jelly-like eggs laid by frogs. However, scientists recently discovered that tadpoles don't always come straight from eggs.

A Common Kingsnake, Lampropeltis getula californiae, but this snake was anything but common. From the title of our story, you may have guessed that our snake, or maybe we should call it snakes, had two heads.

What motivates you? We hear this question a lot, and scientists decided it was time to find out. They tested which parts of the human brain are involved in creating feelings of motivation. 

Most people grow up seeing tigers on TV and in zoos, but as endangered species, what is being done to protect tigers in the wild? This article examines the Six Percent Solution.

Every year billions of babies are dried and buried, not to be unburied for weeks, months, years or even decades. Don't worry, these are not babies like your little brother or sister, these are baby plants, or as you might call them, seeds. Why would a mom do such a thing? Also in:…

Growing crops for a living can be a bit of a gamble. Do farmers who use genetically modified seeds have better results?

Tobacco may have a bad reputation, but that is starting to change. Learn more about how Charles Arntzen is using this plant to treat the often-fatal disease Ebola.

Even with 'tiger' in their names, life is hard for these fast and often colorful insects. Also in: Deutsch | Español | Français…

The taiga, or boreal forest, is the largest land biome in the world. It is deep and dark, often green, and always cold. But even in this frigid place, many animals and plants thrive.Also in: Español | Français |…

Plants need help to get by when water is limited. For some plants it is their ant partners that come to their aid. This relationship provides benefits for both the plant and the ant.

The tundra is a cold and windy habitat, making survival a challenge. But you may be surprised by how much life there is in the tundra.

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There tend to be more bugs in areas with warmer, tropical climates. The people in these areas also tend to be sick more often, and even have lower incomes. Scientists wanted to see if there was a relationship between the bugs in these tropical climates and people.

Not all insects are bugs, but all bugs are insects. How can this be? Learn about some particular insects that biologists call true bugs. Also in: Español

Animals are often used to study many different scientific topics. But many scientists and others argue whether it's ok to use animals for this purpose. Here we discuss why scientists use animals and research, and discuss some of the rules and regulations in place to help protect animals used…

Every year, vaccines protect millions of people from getting sick. But how, exactly, do vaccines work? Learn the science behind how vaccines protect us from disease. Also in: Português | Español

Here you can do more than read about biomes. You can explore them in 360 degree tours. While not the same as being there in person, these tours let you go to places you would not likely be able to see.

You may see advertisements for vitamins all the time. Do we really need vitamins? And if we do, how do we know which vitamins are high quality? Take a tour into the history, science, and manufacturing of vitamins.Also in: Español

What might look like a lifeless world is actually filled with life and history. You just need to know where to look. Take a tour with two park rangers to get the inside story of South Mountain Park.

Your stomach is full of tiny organisms that live in peace and harmony with your body – but what happens when the peace is disrupted?

Understanding evolution doesn't just help us figure out how humans evolved...it also helps us understand why we have the health problems we do in today's society. Evolutionary medicine can help us understand our health, why we get sick, and how we can better prevent and treat disease.Also in…

What life lies below the surface of the water? A question that marine biologist Susanne Neuer has been studying since her childhood days. Now it is a career that she loves.

We hear about biologists studying everything from tiny organisms to whole ecosystems. But how can the role of a biologist be so broad? Let's take a closer look at what biologists do and how you can become a biologist.Also in: Français |…

You may have heard that the instructions for life are within your DNA and the DNA of any living thing. But how does DNA relate to a genome?

GMO might sound like a hard-to-understand name. But taking a quick look into the world of genetic modification will hopefully make it all a bit easier to understand.

Animals that are moved around by the activity of people can affect the places they end up. This article discusses the effects one particular fish has on the river ecosystems where it is introduced.

People always seem to get the flu more often during the colder months. Scientists set out to investigate why the flu virus is more common when it's cold outside. 

Insects are found in both rural and urban environments, but do they have a preference? Scientists are studying how urban environments affect an insect's chances of survival. 

Where in the world is Kazakhstan (Ka-zakh-ston)? This may be a puzzling question to some, but no longer. This story we will help put the pieces together.

Do we really need to sleep? What about other animals? Scientists examine whether sleep is really necessary, and what happens when animals do sleep.

Imagine you are on a sailing ship in 1747. You left England only a couple of months ago and you felt fine. Now you are so tired you can barely walk. Dr. Lind wants to discover what is causing you so much pain that you can't work.

Ever wonder how our arms and legs know how fast and how long to grow? So have scientists.

When we start talking about turtles crossing roads, you may think it's a joke. But crossing roads and highways is serious business for reptiles and many other animals. Is there any way to keep them safe?

Head injury in humans and other animals are bad news. So how is it that woodpeckers can peck wood all day without injuring their brains?

Do zombies really exist? The do... at least in the world of ants. Learn how some ants are made into zombies and find out what ants can do to avoid being zombified.