LifeBizarre 'manta shark' slowly cruised the oceans 93 million years ago A Mexican fossil belongs to a shark that lived more than 90 million years ago and had wings like a manta ray, which may have helped it swim in place while feeding on plankton ¿ìè¶ÌÊÓÆµ
HumansThe reason we love to gather around the TV lies in Stone Age embers Watching TV and staring at flickering flames produce similar physiological effects, offering intriguing clues to the enduring power of entertainment – and the origins of sociability Features