HumansAncient leftovers show the real Paleo diet was a veggie feast Early humans seem to have eaten a wide variety of vegetables and nuts, alongside delicacies such as elephant brain and fish ¿ìè¶ÌÊÓÆµ
PhysicsSmallest sliver of time yet measured sees electrons fleeing atom Ultrafast lasers have measured how long electrons take to be booted from a helium atom with zeptosecond precision – trillionths of a billionth of a second ¿ìè¶ÌÊÓÆµ