- Dogs sweat through the pads on their feet.
- Hippopotamuses have skin 3.8cm (1.5in) thick.
- Ants don't like baby powder (talcum powder).
- There are 31,557,600 seconds in a year.
- The fastest fish in the sea is the swordfish and can reach up to speeds of 108kph (68mph, 59knots).
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