Nervous dogs wag their tails to the left, and happy dogs to the right (from the dog’s point of view) – and fellow canines pick up on this lop-sided tail language.
10
In Australia, there are spiders big enough to eat snakes.
20
The most expensive cow in the world was sold in 2009 for $1.2 million.
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A scorpion can hold its breath for up to 6 days.
19
The male seahorse carries babies and 'gives birth' to them instead of the female.
7
The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
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