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EPISODES
Rainforests, grey hairs, tastebuds
Could nightmares be genetic? Why does the weather affect my asthma? Can I outrun a giraffe? Dr Karl answers these questions and more, on triple j (...)
Penguins, orgasms, flat earth
Is the Earth flat? Why do penguins wobble when they have knees? What is the biological function of the female orgasm? Dr Karl answers these (...)
Space magnets, asteroids, coral sex
Do magnets work in outer space? What would happen if you opened a jar from space on Earth? Do germs have the ability to move on their own? Dr (...)
Twins, tapeworms, water divining
How much force does it take to bite off a finger? Why is salt water so buoyant? Why do I get pleasure from cracking knuckles? Dr Karl answers (...)
Male nipples, climaxing, wrinkly fingers
Do dogs have personalities? Can you compost vegan poop? Why do lizard tails wiggle after falling off? Dr Karl answers these questions and more, (...)