DEET, thought to be the most effective insect repellent available, may not be an insect repellent at all.

Chinese researchers have discovered and characterized a sophisticated mechanism in bird feathers that enhances tear resistance, overturning a centuries-old explanation of how bird feathers work.

Madagascar's giant elephant birds receive "bone-afide" rethink

New research shows that an ancient retrovirus—HK2—is more frequently found in drug addicts and thus is significantly associated with addiction

Body organs such as the intestine and ovaries undergo structural changes in response to dietary nutrients

Human herpesvirus 6 (HHV-6) infects almost all of the human population, but only very few will show any symptoms during their lifetime

New model sheds light on how nature generates diverse patterns

Twenty years ago, researchers made the accidental discovery that BPA had leached out of plastic cages used to house female mice in the lab

A geologist, a microscopist, and a doctor walk into a lab and make a discovery that overturns centuries of thought about the nature and composition of kidney stones

Hundreds of electricity-generating bacteria found, including pathogenic, probiotic, and fermenting bacteria

Inhibition of atypical protein kinase C may help manage macular edema and vision loss associated with eye diseases

Cell culture media must be designed to consistently deliver optimal performance