Scientists have used powerful X-rays to peer inside the skeletons of some of our oldest vertebrate relatives, solving a 160-year-old mystery about the origin of our skeletons.
Posts Tagged ‘x-rays’
How X-rays Helped to Solve Mystery of Floating Rocks


It’s true—some rocks can float on water for years at a time. And now scientists know how they do it, and what causes them to eventually sink. X-ray studies at the Department of Energy’s Lawrence Berkeley National Laboratory (Berkeley Lab) have helped scientists to solve this mystery by scanning inside samples of lightweight, glassy, and […]