1) A single bolt of lightning can heat the surrounding air to temperatures five times hotter than the surface of the sun.

2) The coldest known temperature in the universe was achieved in a laboratory in 2019, reaching a fraction of a degree above absolute zero (-273.15 degrees Celsius).

3) The process of nuclear fusion powers the sun and other stars, fusing hydrogen atoms together to form helium and releasing vast amounts of energy in the process.

4) The insurance industry is one of the oldest industries in the world, with roots dating back thousands of years.