When i was 15 i got an idea that why everything comes down when we throw them up

Isaac Newton is the guy who put an eye on gravity. Here is an interesting link describing his discovery: http://cordis.europa.eu/scienceweek/inspiration01.htm#3 And... ...here is a link to a song by John Mayer that makes one feel like they can defy gravity: http://www.youtube.com/watch?v=Zzb-Pbtr1U4 Hope you enjoy...