Sailing stones, also called sliding or moving rocks is a geological phenomenon where rocks tend to move and leave long tracks into a valley surfaces like deserts without human or animal intervention.
An interesting video where a guy explaining why he believes that we have landed on the moon and tells also about waving flag, shadows and everything else.
Crows are one of the smartest birds around, but they don't stand a chance against lightning fast and agile falcons. Watch this amazing video to learn how falcons hunt in mid-air from their very perspective.
Slit Camera Photography might be something you never heard of before, but I bet you already saw at least one example of it, you probably just didn't know it's called that way.
Another great TEDtalk about genetically engineering male mosquitoes to make them sterile, and releasing the insects into the wild, to cut down on disease-carrying species.
