Can anyone tell me mans greatest invention?

Question

could be anything.

Answer 1

The invention of the printing press.

Answer 2

language- speaking, writing, communication

with out it where would we be?

man created language and that created the world as you see it today.

Answer 3

by far the wheel, it has helped greatly, look at the incas who did not use the wheel ever an see how difficult their lives were.

but other great inventions, the telephone improved communication significantly, but the spoken and written word started it all.

Answer 4

electricity

Answer 5

Mechanically, definitely the wheel.  Without it, there would not be a whole lot we could not do because so many things rely on some form of wheel to work.

No mechanically, then fire.

Answer 6

http://www.ideafinder.com/history/invent...

I believe that the most important mechanical invention is the wheel as the above site's first sentence states.

Although fire was not invented, when man became capable of harnessing and controlling it he was able to advance his life immeasurably.

http://en.allexperts.com/q/Anthropology-...

Answer 7

Plaster. It helps to stop the blood when you got a cut. Wonder what is the yellow or white stuff inside the plaster.