Science & Medicine,
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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.
November 21st, 2011
Episode 969 of 1083 episodes
When it comes to differentiating between hardwoods and softwoods, it's not a matter of hardness or density -- it's all about plant reproduction. Marshall explains what angiosperms and gymnosperms are in this episode.
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