The world's largest bee is back from the dead after nearly four decades

Finding an endangered or otherwise rare species in the wild can be very challenging for scientists, but hunting down something as small as a bee after nearly three decades of presumed extinction? Well that's another kind of challenge entirely. A colossal bee called Megachile pluto, and also known by the name Wallace's giant bee, has been missing for quite some time. Or, at least it was missing, but that was before a team of researchers embarked on an expedition to determine if the species even s...