A louse is rarely a welcome visitor. And if one louse is bad, a load of lice is, well, lousy. Not only do they cause itching, but body lice can be responsible for the spreading of disease. To combat ...

WEST LAFAYETTE, Ind. - Head lice often are the bane of schoolchildren, but it's another variety of the insect - body lice - that carries some of the most infamous and deadly diseases that have plagued ...

Have you ever imagined a louse walking on your head? It sounds unreal, but this happens more often than people think. Some feel itching right away, others don’t feel anything at all. This short video ...

It's the stuff of nightmares, or science fiction: a parasite that wants to get inside an animal's mouth, where it attacks — and replaces — the tongue. That's the incredibly specific, terribly icky job ...

An international team of scientists has successfully sequenced the genome of that most majestic of creatures, the body louse. Like head lice, body lice attach themselves to human hosts and live off ...

Although generally despised, the blood-sucking human body louse, Pediculus humanus, has gained newfound popularity among scientists for a surprising genetic feature. Instead of carrying mitochondrial ...

In the course of studying wrasse skulls, an evolutionary biologist found a parasite hiding inside a fish’s mouth. And not only had the louse eaten the fish’s tongue – it effectively replaced it. The ...