How Bad Are Your Eyes?

In the fifteenth century, a team of pirates went out to sea they took only rum, dry bread and jerky. Typical sailors’ diet. A few months later they died a terrible death, but it wasn't weapons, depths or underwater monsters that killed them. Only a few hundred years later, scientists found an explanation for this. Watch the video to the end and you will learn why David Blaine ate glass and survived, how bad are your eyes and what happened to those pirates.

Видео How Bad Are Your Eyes? канала WATOP