On 25 November 1915, Albert Einstein presented his general theory of relativity at the Prussian Academy of Sciences. This theory is still considered to be the most important idea in modern physics.

A man who is 92 years old is not only still competing in his activity of choice, he's teaching others the secrets of how to live a long, healthy and fulfilling life. Ivan Pedley, a retired ...

pH is a measure of how acidic or alkaline a solution is. The diagram below shows what happens to an enzyme when denaturation occurs. Each enzyme has an optimum pH but it also has a working range ...

Choosing the right gym will not just allow you to be fit, but it enables you to do it for the long term with better results. The right environment, coupled with the proper influence and equipment will ...