amazing science facts

some very cool facts you might wanna hear

there are many cool science facts

hear are some topics i studied

here are a couple facts

1.Animals avoid power linesbecause they see frightening ultraviolet flashes that are invisible to humans.

2.the lack of exersize is now causing as many deaths as smoking across the world.

3.Laughing 100 times is equivalent to 15 minutes of exercise on a stationary bicycle.

4.Humans have caused322 animal extinctionsover the past 500 years.