A mysterious light from the universe, undoing cellular aging, feather talking, a smartwatch predicts COVID, the path of the polar bear and moon volcanoes


Manage episode 279284388 series 2434985
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Pluto probe finds mysterious ‘night light’ in the universe; Your smartwatch might be able to detect early signs of COVID-19; These birds communicate through feather flutters - and even have different accents; Scientists reverse aging in retinal cells by removing genetic 'rust' to restore vision; Ice Walker — a mother polar bear's precarious existence in the changing Arctic; Why does Jupiter’s moon Io have volcanoes but our moon doesn’t?