Urine is made up of range of
organic compounds such as proteins and hormones, inorganic salts and numerous metabolites. These by-products are often rich in nitrogen
and need to be removed from [...]
How long is second?
There are two main ways of
measuring time: dynamic and atomic time.
The former relies on the motion of celestial bodies (including the
Earth) to keep tract of time, whether it’s the rotation [...]
