1) The strongest natural material known to man is spider silk. It is stronger than steel and more flexible than nylon.

2) Serena Williams is an American professional tennis player widely regarded as one of the greatest athletes in the sport. She has won numerous Grand Slam titles and Olympic gold medals and has become an influential figure both on and off the tennis court.

3) The average person spends around six months of their lifetime waiting for red lights to turn green.

4) The FIFA World Cup is the most-watched sporting event globally, with billions of viewers tuning in for the tournament held every four years.