Departing Google chief scientist Jeff Dean has been in talks for a $10 billion valuation for his new AI startup

Jeff Dean, head of artificial intelligence at Google LLC, speaks during a Google AI event in San Francisco, California, U.S., on Tuesday, Jan. 28, 2020. Bloomberg/Getty Images Jeff Dean left Google last week to start Discovery Loop, a new AI company. He has been in talks to raise $1 billion dollars at around a $10 billion valuation for his new AI startup, sources say. The company says it's using AI to tackle some of the biggest challenges in science and engineering. Jeff Dean spent 27 years…