Human genes are one of the main reasons we can’t grow wings. And even if humans did have wings, they wouldn’t necessarily allow us to fly.
© Science Museum
He may not have invented the helicopter, but the real man is more than worthy of the myth.
Prior to the introduction of jets, most commercial airplanes were propeller driven, like the DC-3 pictured here. These planes had a limited cruising altitude – and experienced much more turbulence.
NOAA Photo Library
Sure, you got meals served on china. But planes were frequently delayed, hijacked, and prone to fatal crashes.
Following the leader has its benefits.
Across the globe, hundreds of species of birds can be seen flying in V-formations. We have long suspected that these formation might help birds fly with less effort. Yet the precise mechanics have remained…