1) In Chinese mythology, the Dragon Boat Festival (also known as Duanwu Festival) is celebrated to honor Qu Yuan, a poet and statesman of ancient China. It involves dragon boat races, eating sticky rice dumplings (zongzi), and performing rituals to ward off evil spirits and protect against diseases.

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

3) The fingerprints of koalas are so similar to humans that they have been mistaken at crime scenes.

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