World's oldest muscle-fibre fossil reveals the origin of legs

It looks like a tattered surgical stocking with legs. But this millimetre-long fossil is one of the best preserved animal fossils from the Cambrian period, 500m years ago. With no mineralised hard parts, worms like this would ...

Move it or lose it: One-year mission video miniseries

Have you ever noticed after lying in bed sick for a few days that standing upright took you a moment to regain your balance? Or perhaps you have an aging grandparent who spends more time lying in bed than standing and you ...

Six degrees of inclination

(Phys.org)—Stay in a tilted bed for weeks with your head at the lower end and your body starts to change as if it were ageing prematurely or living in space. Twelve volunteers in ESA's bedrest study are enduring the testing ...

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