1) The windshield wipers were invented by a woman named Mary Anderson in 1903.

2) Antarctica is the coldest, driest, and windiest continent on Earth. It is also the highest, with an average elevation of about 7,545 feet (2,300 meters).

3) The Hubble Space Telescope, launched in 1990, has provided breathtaking images of distant galaxies and deep space.

4) The smallest unit of time is known as a zeptosecond, which is equal to one trillionth of one billionth of a second.