Hewlett-Packard recalling 54K laptop batteries

(AP) -- Hewlett-Packard Co. is recalling 54,000 lithium-ion batteries used in HP and Compaq computers after receiving reports of injuries from the batteries overheating and rupturing.

New graphene-based sensor design could improve food safety

In the U.S., more than 100 food recalls were issued in 2017 because of contamination from harmful bacteria such as Listeria, Salmonella or E. coli. A new sensor design could one day make it easier to detect pathogens in ...

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