Science

Paleontologists used organisms trapped within amber to identify over 1,000 extinct species.

Snow is formed from the finest droplets of over-cooled water in clouds.

Growing in North America, Europe and Asia, a fungus called Hydnellum peckii, secretes a red blood substance on a white hat.

The surface temperature of the moon is 75 K.

There are many theories about the formation of the Moon, but the most probable is that in the early days of the Solar System, the proto-Earth collided with a celestial body the size of Mars, and this impact generated enough energy to throw enough material into Earth's orbit to form the Moon.

Any astronaut interested in working for NASA has to complete 1 000 hours of flying time.

The first living organism sent to space from the U.S. was a chimpanzee called Ham.

Tears are made up of three layers.

Although it's hard to believe, the Earth's crust consists of 47 percent oxygen.

A healthy liver is essential for the brain to function correctly.