On 'World Bee Day,' the bees remained busy—and oblivious to threats that endanger their survival
(Newser) -
On the eighth annual "World Bee Day," around 400,000 bees in urban rooftop hives in Cologne, Germany, were busy at work making honey. They seemed oblivious to the threats that endanger their survival. Scientists and bee experts hope Tuesday's World Bee Day can raise awareness, reports...