Tourists view the 6-meter-tall mechanical polar bear "Beibei" in Bear Cave Street in Dalian, Liaoning province, on Dec 21. [Photo provided to China Daily] A 6-meter-tall mechanical polar bear ...

The arrival of human ancestors in Europe some 40,000 years ago coincided with the downfall of the cave bear, scientists have revealed. New evidence suggests humans hunted the bear and drove it ...