Researchers discover an unprecedented paleontological relic that may just rewrite the book on snake evolution.

The history of cetaceans can serve as a model for both evolutionary dynamics and interdisciplinary collaboration.

A transition-state mimic has the power to bind an enzyme at its tipping point as strongly as any available inhibitor and more strongly than most, preventing enzymatic activity. 

Meet some of the people featured in the April 2012 issue of The Scientist.

Targeting the briefest moment in chemistry may lead to an exceptionally strong new class of drugs.