Cave bears killed by Ice Age

Oslo - Giant cave bears froze to death during the last Ice Age in Europe about 28 000 years ago, according to a study on Wednesday that cleared human hunters of driving them to extinction thousands of years later. The largely vegetarian bears, weighing up to a tonne and bigger than modern polar bears or Kodiak bears, apparently died off as a sharp cooling of the climate led to a freeze that killed off the fruits, nuts and plants they ate.
[cooling is the much larger threat than warming to virtually all life on earth - especially man]
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