Earth’s atmosphere consists of 77% nitrogen, 21% oxygen, and traces of argon, carbon dioxide and water.

The world’s largest swimming pool can be found at the San Alfonso del Mar resort in Chile. The pool is 1,013 m (3,324 ft) long, has a maximum depth of 35 m, and even has sailing boats.

In Ethiopia customs of sharing last names are a little different that we know. The children take first name of their father as their last name.

Here is a simple and amazing way to test any alkaline battery without tools! Works in seconds! Try it!

The skin of a squid can change colors as it expands and contracts.

Team of researchers at Alexandria University in Egypt developed new technology that converts sea water into drinking water in minutes.

The procedure uses a desalination technique called pervaporation to remove the salt from sea water and make it drinkable. Specially made synthetic membranes are used to filter out large salt particles and impurities so they can be evaporated away, and then the rest is heated up, vapourised, and condensed back into clean water.

It’s also capable of removing sewage and dirt from it.