The Michelson-Morley experiment was performed in 1887 by Albert Michelson and Edward Morley at what is now Case Western Reserve University. It is generally considered to be the first strong evidence...
by adopting a animal or dont through trash on the ground and another way is to get other people to do the same as you are doing for the world so more and more can help the world :)
Do something differentHelp the homelessDo a race for life etcand post your video herehttp://www.youtube.com/user/MakeADifferenceNow1Let's help make the world a better place