1) The ancient city of Pompeii was preserved under layers of volcanic ash after the eruption of Mount Vesuvius in 79 AD, providing valuable insights into Roman life.

2) The ozone layer, located in the Earth's stratosphere, protects us from harmful ultraviolet (UV) radiation.

3) Sloths only poop once a week, and when they do, they lose about one-third of their body weight.

4) Lightning strikes the Earth about 8 million times a day.