Why Do Tumbleweeds Tumble?
The silent star of classic Westerns is a plant on a mission. It starts out green and full of life. It even grows flowers. But to reproduce effectively it needs to turn into a rolling brown skeleton.
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Want a Whole New Body? Ask This Flatworm How
Planarians are tiny googly-eyed flatworms that can regrow their entire body.
A Sand Dollar's Breakfast is Totally Metal
Sand dollars look way different in their lives beneath the waves.
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