Confronting Human Chimerism
Tazeen Ulhaque
Most people have just one set of DNA throughout their body. But what happens to humans who are born with two sets?
a region of DNA that instructs the cell on how to build protein(s). As a human, you usually get a set of instructions from your mom and another set from your dad... more
Pooja Kadaba Ranganath
Where the Rewilded Things Are
Challie Facemire
Humans change the world around us in many ways, cutting down trees, building roads, using resources. But what happens when we try to restore some of the things an area has lost? And should we try to do so?
To Breed or Not to Breed
Sarala Pradhan
Ioulia Bespalova
For many organisms, reproduction is a huge part of life. But what, exactly, does reproduction mean? Well, it can mean so many different things, including breeding or not, caring for young (or not), or giving birth (or not)... read on to learn about the diversity of ways that organisms reproduce.
Smarter Ways to Battle Bacteria
Ioulia Bespalova
Battling bacteria can be tough, as they can evolve quickly and resist many of our treatments. But Shelley Haydel is working on new ways to fight bad bacteria.
Pooja Kadaba Ranganath
Rosario A Marroquin-Flores
CRISPR Crops
Imagine you are a farmer. You may love the fresh fruits and vegetables that you grow on your farm, but growing them is a lot of hard work. Growing better crops that are bigger, more nutritious, or less likely to die before harvest would make farming much easier. It would also let you grow more food for more people. But better crops are not easy to come by. Building better food is one of the ideas behind using CRISPR to edit the genes of many crops.
You decide that you want to plan a party for you and all of your friends. You have the food, the games, and decorations all planned out. All that’s left is to invite everyone to come over. But how are you going to tell all of your friends?
Where Do Babies Come From?
Natural Resistance
Clostridium difficile under a high-powered microscope. This bacteria is naturally resistant to many antibiotics, and causes people to have very bad diarrhea. Image by the CDC.