Whales support many different types of life. Several creatures, such as barnacles and sea lice, attach themselves to the skin of whales and live there.

As part of the original design, the names of 72 French scientists and other famous people is imprinted on the sides of the Eiffel tower.

In Gulliver's Travels Jonathan Swift described the two moons of Mars, Phobos and Deimos, giving their exact size and speeds of rotation. He did this more than 100 years before either moon was discovered.

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