Lice have been so intrinsically linked to humans, evolving alongside us for over 25 million years, that their genetic data is providing clues to our genetic history. They are helping ...

We can see objects as small as 0.1 millimeters, and that means we can just about see these lice ... And human sperm cells on the surface of an egg. But what about a transmission electron microscope?

Head lice infestation is a fairly common problem globally, with 6–12 million cases in children ages 3–11 reported annually in the US alone, [1] and is typically observed in the school-aged ...