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4,000-year-old DNA unlocks secrets of the plague

A team of researchers excavating mass burial sites in England have detected the DNA of the bacteria that caused the plague in human skeletal remains — and they are the oldest known cases of the disease in Great Britain.

Top AI CEOs, experts raise 'risk of extinction' from AI

Top artificial intelligence executives including OpenAI CEO Sam Altman on Tuesday joined experts and professors in raising the 'risk of extinction from AI,' which they urged policymakers to equate at par with risks posed by pandemics and nuclear war.

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