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Some insects and reptiles have a strange self-preservation characteristic — they suddenly start bleeding from places like their eyes or knees. NPR science correspondent Nell Greenfieldboyce looks at "reflex bleeding" and explores some of the creatures that bleed on purpose.
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For more science reporting and stories, follow Nell on twitter @nell_sci_NPR. And, as always, email us at shortwave@npr.org.
See pcm.adswizz.com for information about our collection and use of personal data for sponsorship and to manage your podcast sponsorship preferences.
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@nell_sci_NPR
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