Enlarge Once upon a time, during the Cretaceous period, a tiny crab wandered out of the water onto land and somehow got trapped in amber, which preserved it for 100 million years. At least that’s what a team of scientists hypothesize might have happened in a new paper announcing their discovery of the oldest known […]
Enlarge / It sure looks like a crab, but it isn’t. Why are crab-like forms so common? (credit: David Kirkland / Design Pics ) Many organisms on planet Earth aren’t crabs. Dogs, for instance—definitely not crabs. Science also suggests that humans are not, in fact, crabs. But a surprising number of creatures either are crabs […]