- The plane was invented by a Brazillian: Santos Dumont. The plane that the Wright Brothers used was projected through a catapult.
The human race is the only species (at least in scale) that learn to other means other than DNA. Just think about the Middle Age, we weren’t passing knowledge along, so our scientific knowledge pretty much hit a plateau. So there wouldn’t be much use to try to do something from scratch, probably because it would be defying our nature.