But there's more to lice than their elimination. These parasites have been stowaways on our heads for so long that they've recorded our history as humans in their DNA. "We can think of human lice ...

Evidence of this ancient connection includes a 10,000-year-old louse found on human remains at an archaeological site in Brazil and an inscription on a 3,700-year-old ivory lice comb that might be ...

A new study, for example, found that some lice in the Americas are hybrids of those carried there by Native Americans and others ferried across the Atlantic by European colonists. “We humans do ...

They are the oldest known parasites that feed on the blood of humans, so learning more about lice can tell us quite a bit about our own species and migratory patterns. [Related: Ancient ivory comb ...

As school starts back up, so does the number of head lice cases. But humans have been dealing with the parasites for millennia—and that may continue indefinitely. Head lice are some of our ...

In a recent study published in the journal PLOS Biology, researchers adapt a strain of human body lice to a membrane feeder to study its infection dynamics with Yersinia pestis, the causative ...

Unlike head lice, which live and breed on human scalps, body lice live and multiply in the seams of human clothing and bedding, hopping onto their human hosts to feed on their blood several times ...

Lice have irked humans for many centuries. In this 1497 woodcut printed in Strasburg, Germany, a man is de-loused. (Science & Society Picture Library via Getty Images) Head lice are considered a ...