1) The Paralympic Games, held immediately after the Olympic Games, showcase the athletic abilities of individuals with disabilities and promote inclusivity in sports.

2) Beyoncé, full name Beyoncé Giselle Knowles-Carter, is a highly influential American singer, songwriter, actress, and businesswoman. She rose to fame as a member of the group Destiny's Child and has since achieved success as a solo artist.

3) The Great Barrier Reef in Australia is the largest coral reef system in the world and is visible from space.

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