Why Is 'Mayday' the International Distress Ca...

Your heart needs blood as much as any other muscle in your body, and it receives it the same way -- just a little earlier than anyone else. Learn how the coronary arteries work (and what can go wrong when they don't) in this episode of BrainStuff, based on this article: https://h ...  Show more

Butterfly wings often come in striking, iridescent colors -- but it's not from pigments (or not entirely). Learn how microscopic structures give butterfly wings their flash in today's episode of BrainStuff, based on this article: https://animals.howstuffworks.com/insects/butterfl ...  Show more

Say it three times and help may arrive. But where did "Mayday!" come from? Listen in to find out. 

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We've all heard of it, but nobody really knows...

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Today we deep dive on mobile phones, wonders of the modern world!

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Daniel and Katie talk about what life needs and whether it could have started much earlier in the Universe. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.