genes

You may have heard of feral cats, but have you heard of feral chickens? Feral chickens are now the subject of evolutionary research. And the ones in...

A saliva swab collected from a patient’s cheek can tell doctors what kinds of drugs will work best for a patient. It's the promise of pharmacogenomics ,...

Scientists used to think that identical twins turned out differently because they were treated differently by friends, teachers or their parents. A study of mice supports the idea that small changes in behavior can lead to larger ones and eventually even resculpt brains in different ways.

Same-sex marriage got huge headlines at the Supreme Court last month, but in the world of science and medicine, the case being argued on Monday is far more important. The lawsuit deals with a truly 21st century issue that in some cases can pit drugmakers against patients.