General Motors and Fiat Chrysler unveil self-driving dealsGeneral Motors and Fiat Chrysler unveil self-driving deals

Media captionWATCH: Is this the ultimate autonomous car

The race to lead America's self-driving car market moved up a gear with General Motors and Fiat Chrysler announcing major deals.

Japan's SoftBank is putting $2.25bn (£1.7bn) into GM's autonomous unit Cruise, one of the biggest single investments in

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Sweet tooth Scientists develop a way to 'switch off' sugar cravings
Researchers from Columbia University discovered a way to remove cravings for sugar in mice, and say that the technique could one day be applied to humans

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