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The first cat show was in 1871 at the Crystal Palace in London.

You never stop learning.

Cats purr at the same frequency as an idling diesel engine, about 26 cycles per second.

That's why it's so relaxing.

A cat sees about 6 times better than a human at night, and needs 1/6 the amount of of light that a human does - it has a layer of extra reflecting cells which absorb light.

Cats' hearing stops at 65 khz (kilohertz); humans' hearing stops at 20 khz.