Did you know?

There are at least 7 million scientists around in the world

Great news for people on diet: You'd weigh way less on the moon! Gravity on the moon is a sixth of what it is on Earth. Someone who weighs 68 kg on this planet moves the scales at only 11 kg on the moon. Its gravity is so much lower because the moon is just 1 percent the mass of Earth.

There is enough DNA in the average person’s body to stretch from Pluto to the sun and back — 17 times!!

The average person walks the equal of value of five times around the world, in an entire lifetime.

Octopi have nine brains, three hearts and blue blood.

There is no sound in space.

If you drilled a tunnel straight through the Earth and jumped in, it would take you around 42 minutes to get to the other side.

Koalas sleep an average of 22 hours a day.

The hottest planet in the solar system is Venus, with an estimated surface temperature of 462 C(864 F.).

There are more trees than stars in our galaxy! NASA experts believe there could be from 100 billion to 400 billion stars in the Milky Way Galaxy. However, the estimated number of trees around the world is much higher: 3.04 trillion! (according to Nature Journal).