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, ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. For the many wondrous things humans can do, we can't fly on our own. But if we could, how big ...

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 ...