anatomy

But when she gets face to face with her "patients" for the first time, she's usually wearing several layers of protective clothing.

If you live in the ACT and leave your body to science, Ms Lewis may well be the person who prepares your cadaver for medical students to study and dissect.

Whether you've got one, like what they do or have always been curious, now is the time to embrace the female anatomy, with vaginas firmly in the spotlight at the festival.

The obsession — which examines the politics of pussy as well as the biology — reflects changing social attitudes, according to Fringe creative director and CEO Simon Abrahams.

"I can only assume that when we have a pussy-grabbing President of the United States that women are making extraordinary feminist work to fight back and make political statements," he said.

Did you know when our bodies are exposed to cold over time, they actually start to change to keep themselves warm?

"We start to build up a tissue ... that we call brown adipose tissue — so brown fat," Dr Dino Premilovac from the University of Tasmania said.

"It's more muscle-like than it is fat-like in what it does.

"If we expose our bodies to the cold environment, the way our bodies deal with it over a long period of time is to produce more brown fat."

Brown fat's purpose in the body is to produce heat to warm up the blood, in turn keeping the body warm.

No matter where you are in the world, most people use their right hand for most things. More than 85 per cent of us are right-handed — even foetuses at 10 weeks preferentially move their right hand.

And the preference seems to be just a human thing — our close relatives the apes are split right down the middle on the left/right-handedness. Fifty per cent of them are lefties.

Test yourself

But in some ways, he's just as forgetful as the rest of us.

"I still forget plenty of basic things, like where I left my keys," said Mullen, a medical student at the University of Mississippi.