If all goes to plan, Ben Lamm’s next Christmas card to his friends will be of him posing with a woolly mammoth and a dodo.

Lamm, 43, is the billionaire entrepreneur who founded Colossal Biosciences, a genetic engineering company, in 2021.

What the company hopes to do is certainly colossal – working to resurrect extinct species, a process called de-extinction.

The idea, Lamm told Metro, came during a call about human-based biology with George Church, a biologist at Harvard Medical School.

‘By the way, I’m working to bring back mammoths and other extinct species to reintroduce them back into the Arctic and regenerate the ecosystem. But I have to go now. Goodbye,’ Lamm recalled of the call.

‘I had just heard the greatest thing ever, and then the call was over. I stayed up all night readi

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