Federal health officials say the U.S. has the building blocks to make a vaccine to protect humans from bird flu, if needed. But experts warn we're nowhere near prepared for another pandemic.
NPR's Juana Summers talks with Regina Barber and Emily Kwong of Short Wave about biodegradable plastic, simulating growing crops on Mars, and how deer are disrupting caribou populations.
Some birds kill their siblings soon after hatching. Other birds spend their whole lives with their siblings and will even risk their lives to help each other.
A therapy that restores brain cells impaired by a rare genetic disorder may offer a strategy for treating conditions like autism, epilepsy, and schizophrenia.
Health officials say there's very little risk to humans from the bird flu outbreak among dairy cattle, but there's still much they don't know. Here are four questions scientists are trying to answer.
Surgeons transplanted a kidney and thymus gland from a gene-edited pig into a 54-year-old woman in an attempt to extend her life. It's the latest experimental use of animal organs in humans.