Art Lerner-Lam, associate director for seismology, geology, and tectonophysics at the Lamont-Doherty Earth Observatory of Columbia University, explains. Much of our understanding of the basic ...

Everyone sweats isn't it! Basically, sweat is water. It is our body's natural cooling system. In scientific form we can say that sweat is perspiration. Do you know that our body consists of around 2.6 ...

Structural steel is a type of construction material that is made from specific grades of steel. It is manufactured in a range of industry standard cross-sectional shapes. Structural steel grades are ...