In a world where more than 2.5 billion people do not have access to a clean, safe place to do their business, development agencies are selling sanitation with celebrity endorsements, karaoke videos, and other unconventional tactics.
Some caterpillars munch on drug-laced leaves to rid themselves of crippling parasites—the first clear demonstration of self-medication among insects, a new study says.
From a belt that makes anyone a CPR superhero to antifog goggles, the winners of a NASA magazine's annual future-tech design competition promise clear vision, saved lives, and more.
A giant air purifier was installed recently along a busy street in Lima, Peru. Its makers claim it can clear carbon dioxide from 200,000 cubic meters of air each day, the equivalent of 1,200 trees.
A tiny device using mirror-based optics can create images of microscopic objects in three dimensions cheaper and safer than traditional means, its developers say.
It's well known that animal diseases can be transmitted to humans. But a veterinarian is studying the reverse: wild mongooses infected with human tuberculosis in Botswana.
After the recent chimp attack in Connecticut, a Florida sanctuary's work is more pertinent than ever. The facility treats pet primates that have been abused or abandoned.
Wet kisses full of "tongue action" could be means for picking up chemical hints at a woman's fertility and transferring testosterone to stimulate her sex drive, an expert suggests.
The famed naturalist probably didn't know it, but he held views on human empathy that mirror Buddhist beliefs, says a pioneer in decoding facial expressions.
