Head lice have been constant, if unwanted, human companions for as long as our species has been around. Evidence of this ancient connection includes a 10,000-year-old louse found on human remains at ...

‘Lice are like living fossils we carry around on our own heads.’ By Laura Baisas Published Nov 8, 2023 2:00 PM EST Get the Popular Science daily newsletter💡 ...

Head lice are considered a nuisance — a pest to be evicted from the hair on your head or the head of a loved one with a special comb or shampoo. But there's more to lice than their elimination. These ...

A new laboratory study suggests that human body lice are more efficient at transmitting Yersinia pestis, the bacterium that causes plague, than previously thought, supporting the possibility that they ...