MindCan you and your family solve these mind-bending scientific riddles? Featuring everything from eggnog to uranium oxide, these 12 brain-twisting conundrums will get you in the festive spirit and test your scientific knowledge Features
SpaceExoplanet plate tectonics: A new frontier in the hunt for alien life Plate tectonics seems to be crucial for life on Earth, but we’ve never confirmed that it happens on other worlds - that may be about to change Features