Mammoths became extinct 1,000 years after Egyptians completed the construction of the pyramids.
Frogs never drink water! They absorb it through their skin.
Planet Earth belongs to the Milky Way galaxy which has more than 200 billion stars.
The first computer was made in 1946 at the University of Pennsylvania. ENIAC (Electronic Numerical Integrator And Calculator) had 18,000 electronic pipes, 30 tons and it needed 154 m2 of space.
Horses usually sleep standing up. Their feet have a particular system of tendons, bones, and joints that effortlessly hold the weight of this large animal. When the muscles are in a standstill, they are completely relaxed.
When the Moon is directly above you, your weigh slightly less than usual.
