What's actually happening when you get the wind knocked out of you? Why does swallowing combat yawning? And could we ever visualise someone else's pain?
Dr Karl answers these questions and more on triple j Mornings with Lucy Smith.
Blood types, nanny naps and the winter solstice
Cryogenic freezing, cravings and the placebo effect
Microplastics, genetic modification and fire vs ice
Harnessing earthquakes, dog bellybuttons and baby clouds
Irrational phobias, earthquakes and mathematics
Aurora australis, op shop smells and photographic memory
BONUS EP: Space farts, dog breath and the Laws of Entropy
Planet-eating stars, Dreamtime astronomy and the Potato Radius
Tick bites, dirty diamonds and the bacteria takeover
Flushing etiquette, growing pains and heat vs temperature
Cloning dinosaurs, inbreeding implications and the soft cheese crisis
Tea wees, volcanic extinction and muscle loss
Violent burps, sneezing erections and breathing bums
Shooting stars, astrology vs. astronomy and spaghettification
Space smells, flying headaches and nails
Leap years, dizziness and epoxy resin
Throat tickles, arctic currents and sticky surfaces
Bubble baths, sustainable populations and virtual reality
Synthetic meat, collagen and sperm races
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Shirtloads of Science
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Background Briefing
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Big Ideas