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Using a screen in bed at night makes it much more likely you’ll sleep less and sleep badly — but social media use is no worse than any other form of screen use.
Neuroscience
A new model of brain metabolism – the most complex ever generated –shows how altering key chemicals could restore aged cells to their youthful activity and resilience.
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Scientists tracking endangered great hammerhead sharks show that Andros Island, in the Bahamas, is a year-round refuge for some individuals that choose not to migrate.
Featured news
Scientists have shown for the first time that Antarctic krill show a stereotypical reaction in the presence of guano from Adélie penguins: they swim faster and make more turns over greater angles. It is unknown to what kind of water-borne chemical cues they respond, but the authors speculate that this behavior might be a universal escape response to the excreta of predators, irrespective of species.
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