Condoms were originally made of animal intestines or linen.
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By putting a frog in a bucket of milk, scientists following up on an ancient Russian way of keeping milk from going sour have identified a wealth of new antibiotic substances.
9
Dogs have been man's pet for over 14,000 years.
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Queen ants have one of the longest life-spans of any known insect - typically up to 30 years. Western harvester ant queens can live up to 40 years!
2
The colossal squid has the largest eyes in the world.
4
A group of unicorns is called a blessing.
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Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17