SCIENCE

Changing a single number among billions can destroy an AI model

The output of AIs is controlled by the interactions of huge networks of nodes or weightsshulz/Getty Images An artificial intelligence model can be made to spout gibberish if a single one of the many billions of numbers that compose it...

SCIENCE

How safe is the US food supply?

Produce has been the source of many foodborne illness outbreaks in the US this yearThe Image Party/Shutterstock Apple sauce containing lead. Onions carrying E. coli. Deli meat spreading listeria. The past year has seen alert after alert from US public...

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