1) Usain Bolt of Jamaica holds the world records for the 100 meters and 200 meters sprints, with times of 9.58 seconds and 19.19 seconds, respectively.

2) The world's first insurance policy was issued in 1347 in Genoa, Italy. It insured against the risk of maritime trade.

3) Cows have best friends and can become stressed if they are separated.

4) The study of fossils is called paleontology, and it helps us understand the history of life on Earth and the process of evolution.