The embryos cannot develop into humans, and are being used to study development in outer space.

A crowd does not need a leader to fall into step. In public spaces, people sort themselves into lanes, avoid collisions, and ...

Honeybees, insects with brains smaller than a sesame seed containing fewer than one million neurons, can learn to tell apart ...

Genetic researchers are experimenting on unborn children in trials that could have been done on animal embryos, according to ...

Wild American crows can memorize the face of a person who threatened them, pass that knowledge to other crows across more ...

In a landmark medical experiment, Chinese researchers successfully transplanted a genetically modified pig's liver and both ...

After the war, Unit 731’s scientists evade justice. Families of POWs search for answers about secret tests, while former ...

Blue, green, amber: Someone’s eye color immediately attracts our attention. But there’s something unusual about human eyes: ...