1) 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).

2) The Amazon rainforest produces more than 20% of the world's oxygen.

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

4) The eye of a cyclone is a region of calm, relatively clear skies and light winds at the center of the storm.