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Cells open flaps to cool your body temperature and release sweat.
Efron did a 'classic Arnold pump-up' before filming each day.
She's way more than just a commander's wife in her new Hulu series.
Emulate the actor's classic shade-on-shade ensemble.
George Kostur reveals how he transformed his body.
From an unforgettable stag night to a crowd-pleasing speech.
He's never been a lifeguard, but he's given 'many a mouth-to-mouth.'
The Last City has fallen, but the adventure is far from over.