1) The concept of gravity was famously described by Sir Isaac Newton after an apple fell on his head.

2) The International Cricket Council (ICC) is the governing body for the sport of cricket and oversees international tournaments and rankings.

3) The first commercial GPS (Global Positioning System) was launched in 1989 and provided accurate positioning and navigation capabilities to users worldwide.

4) The world's largest flower is the Rafflesia arnoldii, which can grow up to 3 feet (1 meter) in diameter and weighs about 15 pounds (7 kilograms).