If you yelled for 8 years, 7 months and 6 days, you would have produced enough sound energy to heat one cup of coffee.

Source

The hum that is present in the delivery of electricity can be used in forensic analysis when authenticating audio recordings.

Source

Most penguins swim underwater at around four to seven miles per hour (mph), but the fastest penguin—the gentoo (Pygoscelis papua)—can reach top speeds of 22 mph.

Source

NASA’s use of PI goes to only 15 decimal points.

Source

If an atom was the size of our solar system, a neutrino would be the size of a golf ball.

Source

Ostriches are the only bird to have a bladder.

Source

If you were to walk one light year, it would take you 225 million years.

Source