As viewers of the Showtime series “Dexter” are well aware, everyone’s favorite serial killer has a ritual whereby he saves a drop of blood from each of his victims on a microscope slide. Now fans can ...

One of Charles Darwin’s microscope slides from his groundbreaking geological research is set for auction after being discovered in a cardboard box – almost 200 years on. The tiny piece of history, ...

A miniature photograph of the moon, beard hairs whose owner has been dead for centuries, a shaving of Egyptian mummy bone, flowerlike patterns constructed from butterfly scales and algae called ...

Wesley R. Coe, professor of zoology at Yale during the early 20th century, devoted his career to studying ribbon worms — a group of mostly marine-dwelling creatures that includes more than 1,000 known ...