Articles on Physiology

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You’re no more likely to lose heat from your head than other parts of your body – except your hands and feet. Taylor Mackenzie

Monday’s medical myth: you lose most heat through your head

As the weather starts to cool down and winter clothes enter rotation in our wardrobes, some peculiar combinations emerge: shorts and scarves; thongs and jackets; T-shirts and beanies. The last is often…
Breathing through your mouth or chewing gum has no effect: the tear stimulus is in your eyes, not your nose or mouth. Flickr/tarale

Monday’s medical myth: chewing gum stops onion tears

The cultivated onion, Allium cepa, is a savoury staple of cuisines around the world. Yet slicing up onions all too often leads to tears: you peel off the papery outer skin, start chopping and before long…
The energy produced per rider during sprints could power a fridge, TV and most of the lights in a standard house. Nicolas Bouvy/AAP

Suffer score: how demanding is the Tour de France?

The Tour de France – currently underway – has long been regarded as one of the most demanding endurance events in sporting history. But what does that mean in physical terms for the athletes taking part…

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