Before making Finding Nemo, the animation gurus at Pixar Studios had to take a graduate class in fish biology and oceanography.
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The full moon causes a tidal wave to roll up the Amazon river once in day and once in night for a period of only three weeks in a year. This results in continuous 4m high wave that can be surfed for up to 13km.
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In Ice Age, the drawings of characters during the end credit roll - and Sid's drawing of himself on a wall - were all done by the children of the animators.
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There is a sea snail that wears a suit of iron plated armor. It is the only known animal to use iron sulphide as skeletal material.
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Scientists have developed a 'hangover-free' beer that has electrolytes, making it more hydrating and refreshing.
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