Dr Karl on triplej

ABC Science

Science & Medicine

Join Dr Karl Kruszelnicki, Zan Rowe and their scientific guests, with a bunch of curious triplej listeners for a weekly injection of science, myth-bashing and answers! Thursdays from 11am EST.


How do dogs remember, or learn, that they've misbehaved? Why doesn't rainwater collected from a roof go bad? When sucking air out of a bottle, why does it form a vaccum?

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What is the evolutionary purpose of having a facial reaction when seeing others in pain? Why doesn't the moon crash into the Earth? Can you measure the speed of smell?

Why do you have to pee every morning when you wake up? Why are sunsets different colours on different days? Can personality traits be genetic?

Do women's periods sync up when they live together? Is there any evidence for someone having a truly photographic memory? Why does your face go red when you drink alcohol?