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Physiology

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animals and their earwax

WHAT’S IN YOUR EAR?  Studying earwax (sample below the type of animal donor species) might inspire new ways to reduce dust buildup.

sea spider

LEGGY MULTITASKERS  The skinny legs of sea spiders (one shown from Antarctica) hold guts that digest food and help pump blood.

macaroni penguins

MISMATCHED OFFSPRING When macaroni penguins convene at a breeding site (shown), females lay some of the most size-mismatched eggs known among birds.

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