T.rex Autopsy takes you into the belly of the beast

Tori Herridge (left) and Luke Gamble (foreground) preparing to remove the T. rex's eye as Dr Steve Brusatte and Matthew Mossbrucker look on. Photo: National Geographic Channels

She lies on her side in deep slumber on a raised platform that runs the length of her body – all 14m of it. Her grapefruit-sized eyes are half open, hinting at the bone-chilling glare she once possessed. The rows of 30cm teeth are still sticky with day-old drool, though she isn’t about to rear up on her two hind feet to deliver the earth-trembling stomp a T. rex is so famous for.

But wait: how do we know that it’s a she-rex and not a he?