Promise and peril

IF we are to believe the good people at Colossal Biosciences, dire wolves are walking the earth again after having gone extinct some 12,000 years ago. Dire wolves roamed the North and South American savannah from anywhere up to 250,000 years ago and resembled modern wolves except for their much larger head and much stronger jaws, which aided in hunting large prey. Their prey died out, due in part to loss of habitat and human intervention, and the dire wolf let out its last lonely howl around the time the city of Jericho was being built.

In what is being called biology’s ‘ChatGPT moment’,...
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