Lanzhou University of Technology

A fossilized jawbone discovered on the Tibetan Plateau has been found to belong to a Denisovan, an enigmatic early human species closely related to Neanderthals. Its age suggests that Denisovans were the first hominins to occupy the area, long before the arrival of modern humans.

People such as the elderly can sometimes get burned by heating pads. What would help is if they could see through the pad, to see when their skin is getting red. With that in mind, scientists have developed a clear heating pad.