How can just four nitrogenous bases--adenine, cytosine, guanine, and uracil--possibly code for all 20 amino acids? Thus, early researchers quickly determined that the smallest combination of As, Cs, ...

Artificial intelligence researchers are building tools to quickly and accurately turn data into diagnoses. But practical limitations and ethical concerns mean humans should remain in charge. ByJackie ...

Sydney Brenner, a South African-born biologist who helped determine the nature of the genetic code and shared a Nobel Prize in 2002 for developing a tiny transparent worm into a test bed for ...