Humans don't have hollow bones like birds do, so how big would our wings have to be to lift us off the ground?

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.

I used to worry that the foes of modern farming would end their fight against GM technology only when pigs would grow wings and take ... to grow hearts and save human lives? This dream became ...

For the many wondrous things humans can do, we can't fly on our own. But if we could, how big would our wings be? Of course, the answer depends on the person's size. But someone who's about 155 ...