Picture this, it’s 1998 and you’re called to the principal’s office. Not because you flung paper clips at the substitute teacher again, but because your deskmate who has been missing since this ...

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 oldest ...

The human-head louse has a ghostly quality. It tends to glimmer in and out of view, leaving only subtle signs and omens of its presence. Is that oblong speck an egg sac or a flake of dandruff? Was ...

Anecdotal reports about a global rise in head lice cases have prompted warnings from some experts about a popular and universal activity among children and teenagers: taking selfies. Head lice, itchy ...

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Contact between Europeans and Native Americans is recorded in the DNA of head lice. Vincent Smith, Natural History Museum, London, CC-BY 4.0 The first humans to arrive in America left scattered ...

Lice have been bugging humans for as long as our species has been around, and the insects’ genes record the story of their hosts’ global voyages, a study finds. Lice DNA suggests that the scalp ...

Head lice affect more than 100 million people worldwide annually. Permethrin (1% formulation) is efficacious but resistance is emerging. Malathion (0.5% formulation) is an alternative, but resistance ...

Wrangling head lice, and the children they infest, must be up there with the most challenging duties a parent or carer has to face. And the job is getting harder. Commonly used chemical products ...

Lots of kids will get lice at least once while they’re in school. Removing the insects and their eggs (called nits) from your child’s hair is a painstaking process — even if they aren’t squirming or ...