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.


Facial hair, Ice ages, sun temperature

September 9th, 2015

Episode 110 of 198 episodes

Are there any evolutionary benefits of facial hair? What causes ice ages? Why is the sun so hot?

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