Science & Medicine,
Society & Culture,
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Whether the topic is popcorn or particle physics, you can count on BrainStuff to explore -- and explain -- the everyday science in the world around us.
April 13th, 2016
Episode 1000 of 1070 episodes
Cats purr for all kinds of reasons, including communication and healing themselves. Christian explains how purring works and which cats can't do it.
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