Vampire bats in Peru are increasingly biting people, and a National Geographic researcher is trying to find ways to stem the resulting spread of deadly rabies. Video.
Some dogs can smell odors given off by humans with bladder cancer and diabetes, researchers say. In some cases, the canines warn of oncoming attacks. Video.
Work or personal stress might make you want to pull your hair out, but it's damaged DNA that actually turns it gray, according to a new study done in mice.
In Lithuania, eating crow isn't an exercise in public humiliation, as the English idiom suggests. Here, crow is literally eaten, and says one connoisseur, "it increases sexual potency." Video.
Consider it sweet revenge: A substance derived from glucose has been shown to weaken termites' immune systems, possibly opening the door to safer pest controls, a new study says.
"Exploding" or "heavy feeling" headaches reported in a new astronaut survey might be due to shifting bodily fluids, "bad" air in confined spaces—or may be a brand new class of space disorder.
Mice genetically engineered to produce a human protein that protects nursing babies from viruses and bacteria could be a first step toward healthier baby formula, Russian scientists report.
A new "pressure washer" technique using tiny bubbles has allowed doctors to shrink dogs' prostates quickly and virtually painlessly, researchers announced recently.
A new filling derived from the bile produced during digestion could eliminate the need for mercury and other toxic chemicals in modern dentistry, a new study suggests.
A thousand times thinner than a human hair, the new gold-plated nanoneedle can deliver molecules directly to organs smaller than cells, a new study says.
