Sunlight Plus Salt Water Equals A Cooling System
A project out of a Saudi university has built a cooling system that uses salt, water and heat from sunlight, but not electricity.
The Letters of the English Alphabet Weren’t Added in Alphabetical Order
Amazingly, the English alphabet added its last letter in 1524, and no, that letter wasn't Z. We'll explain how an Italian grammarian convinced the world to add one more letter to the list.
Ship To Shark Communication
A new study spotted sand tiger sharks returning to the same shipwrecks, sometimes over months or even years.