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Whether you overeat or try to cut back, your body may be playing a strategic game based on the amount of energy you take in.

Two AI bots meet in a coffee shop. This might sound like the start of a joke, but is it a joke? Today artificial intelligence (AI) is a popular topic. With new tools popping up daily it appears we are at the beginning of a brave new world. Some say the world will be amazing and others have dark…

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

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

In a world where animals, humans, and the environment are forever linked, the health of wildlife is a cornerstone for the well-being of all. In this episode, we embark on an extraordinary journey with Sara Wyckoff, a wildlife veterinarian from the Texas Parks and Wildlife…

A city saved and thanks to a last minute 100 Ugly Bug Contest votes, an amazing win for the Astonishing Treehopper.

How do animals keep warm when the temperatures drop? It is not like they can turn on heater or bundle up in a layers of warm clothes like humans do. Before you watch this video, try to think of ways animals might keep warm.

Giant beetles, flying treadmills, oxygen and prehistoric insects are just a few of the things that Dr. Biology learns about when visiting with biologist Jon Harrison.

a bird singing

Birds Hormones and Seasons

Read Singing in the Rain and then take this quiz to test your knowledge!

colonel mustard ugly bug

Ugly Bug Contest 2013

2013 Ugly Bug Contest

scorpion game

Venom!

Play the Venom! Game

The shape of a molecule is very important. It’s what makes it possible for proteins to interact with other parts of the cell. In…

An eye in puzzle pieces

Seeing Color

Read Seeing Color and then take this quiz to test your knowledge!

An illustration of different cell sizes and a ruler, to measure nuclear cytoplasmic ratios

Cell Size SIM

Play the Cell Size SIM

Certain cell types should have a general size and have proportionate parts. But what if those sizes and proportions are…

A colorful DNA helix, three Cas9 proteins, and a handful of florescent markers.

Cracking CRISPR

Play Cracking CRISPR

DNA is the key to life, so it's no wonder that we've been working to crack the code. With the tool CRISPR Cas9, we'…

Four potential viruses that can be used in the game

Give It A Shot

Explore Give It A Shot

As our lives become more affected by viruses and bacteria that cause disease, how much does wearing masks and…

An illustration of pea pods with different genes (yellow and green, and round and wrinkled)

Genetics Game

Play Garden Gene Genius

Our genes control much of how we look and who we are. But do you really know how genetics work? Take a moment to gather some…