Scientists are trying to make nanoswimmers tiny devices that can swim through blood vessels to keep people healthy or cure illness.

On her 120th birthday, the oldest person ever recorded, said, "I only have one wrinkle and I'm sitting on it.

The movie Gravity was more expensive than the Indian Mars mission.

The Hundred Years' War lasted for 116 years.

The New York Stock Exchange started out as a coffee house.

Octopuses have three hearts. Two pump blood to the gills, while the third pumps it to the rest of the body.

The "Guinness Book of World Records" was first published in 1955.

Human blood cells have different lifespans.

There are more living things in a teaspoon of soil than there are people on Earth.

The world's longest concert lasted 453 hours.