Morning Overview on MSN

Graphene sensors stay stable in liquids, boosting sensitivity 20x

A dual-gated graphene transistor designed to operate directly in liquid environments has achieved up to 20 times the signal gain of conventional designs while cutting sensor drift by more than 15 ...

‘Use it as a guide, rather than a judgement tool’ – these sleep trackers shouldn’t stress you out

We’ve tested trackers from Garmin, Oura and Whoop to see which deliver the most useful data – and whether any actually ...