Sad sack or serious salvation? A small group of scientists is angling to replace laboratory animals with living “organ sacks” grown from human cells. R3 Bio, a billionaire-backed biotech startup, is ...

Add Yahoo as a preferred source to see more of our stories on Google. Guest Opinion. Altruism is helping without a benefit and sometimes at a risk to one’s self. Animals helping others of their own ...

Here’s what you’ll learn when you read this story: With more than 100,000 people in need of an organ transplant in the U.S. alone, scientists have turned toward perfecting human-animal chimeras as a ...

The human ability to cook may seem ordinary, but it marks one of the most important evolutionary turning points in our ...

As human-caused sound gets louder around the world, some animals change their behavior and many creatures suffer health issues Olivia Ferrari As human noise increases around the world, some animals ...

Why is it that a squirrel may calmly take food from a picnic table while a deer runs as if its life depends on it at the snap of a twig? For years, ecologists have asked whether animals always treat ...