Astronauts grow taller in space. See more

The only "real" food that U.S. Astronauts are allowed to take into space is pecan nuts. See more

In space, astronauts cannot cry properly, because there is no gravity, so the tears can't flow down their faces! See more

Astronauts are not allowed to eat beans before they go into space because passing wind in a spacesuit damages them. See more

Fingernails grow nearly 4 times faster than toenails. See more

Bamboo can grow up to 36 inches a day. See more