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Next up on the Radio
Thursday 12th February 2026
9:30 am - 10:00 amThursday 12th February 2026
11:00 am - 12:00 pmDr Karl joins Lucy Smith on ABC Triple J Science Mornings
Thursday 12th February 2026
2:30 pm - 3:00 pmDr Karl joins Alice Matthews on ABC Canberra
Thursday 12th February 2026
2:30 pm - 3:00 pmDr Karl joins Jess Ong on ABC Darwin
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Peeing on lemon trees, hereditary birth marks and yellow sunglasses
Why is it considered a good thing to urinate on lemon trees? Plus: can birth marks be hereditary?; and why do yellow sunglasses make daylight appear brighter?
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Snake bites, popcorn and nuclear devices
Why do we get dizzy when we get up really quickly? Why does hot water sound different to cold water when it comes out of the tap? Why do cold and flu symptoms always feel worse in the morning and at night?
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Protein powder, brain-freeze, carnivore diets
Is protein powder a waste of money? Do men poo more then women? Why does my fried keep getting brain-freeze? Dr Karl answers these questions and more on triple j Mornings, with host Lucy Smith & special guest dietician Professor Clare Collins!
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Exploding stars, dark matter and meteor's
Can cats land on their feet in space? Why are planets round? What would happen to the earth if the sun moved closer?
