Night view of india,picture taken from Nasa satellite

These tiles help space shuttles survive the extreme temperatures (about 1200 degrees Celsius) during re-entry to Earth. LI-900 silica tiles are used for this purpose. It is made of 99.9% pure silica glass fiber. Often the volume of air inside...

The average global temperature during the last ice age 20,000 years ago was 7 degrees Celsius. The lowest average was minus 11. Researchers from the U.S. have made this crucial discovery by combining data from small marine fossils with climate...

This beautiful bird is the third largest bird in the world behind the ostrich and the emu ….They are also second in weight … Although it ranks second and third in weight and size, the Casovaris tops the list of...