Did You Know? The Mighty Water Bear

Water bears, also known as tardigrades, can survive boiling, freezing, the vacuum of space and years of dessication. Biologist Bob Goldstein, of the University of North Carolina Chapel Hill, describes water bears and explains why he studies them.

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Did you know? Sea Mammals


Did you know the ancestors of dolphins were land creatures?

Did You Know? Going Green


Why did the fur of these polar bears turn green?

Did you know? The eyes have it

Did you know?

  • An ostrich’s eye is larger than its brain.
  • A goat’s pupil is rectangular.
  • A chameleon can move each eye independently.