Reduce dosing errors in pediatrics, where dosing is calculated by weight and age.

FORBES: Health, Technology and the Forgotten Stepchild of Innovation

They measured height, weight and body mass index - calculated by dividing weight in kilograms by the square of your height in metres.

BBC: Curvier women 'will live longer'

Body Mass Index is calculated by dividing your weight in kilograms by the square of your height in metres.

BBC: Head-to-head: Fat tax

The scientist calculated his findings based on data revealing the average weight of an American had increased by 10 pounds in the 1990s.

CNN: Airline policies juggle larger passengers

Rockefeller University researcher Jeffrey Friedman has calculated that an imbalance of as few as 1, 700 calories a year would lead to weight gain or loss over time.

FORBES: Health

Although this is impressive, America's Department of Energy has calculated that carbon materials will need to be able to store 6.5% of their own weight of hydrogen in order to make fuel-cell cars practical (defined as having a range of 500km, or 310 miles, between refuelling stops).

ECONOMIST: Space-age soot