Carbon Dating From The Skies
Determining the age of relatively recent fossils, those of plants and animals that lived tens of thousands of years ago, is not a guessing game but an exact science. By using carbon dating we can determine their age to within few years. Carbon dating is a…
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Mathematics
Math On the Mind
In the mid-1800's, Paul Broca discovered that there were specialized functions for different regions in the…
Biology
Respect Your Nose
Our language seems to indicate that we think of the world as divided up into things that 'smell' and things…
Geology
The Saffir-Simpson Hurricane Scale
The Saffir-Simpson Hurricane Scale is a 1-5 rating based on the hurricane's present intensity. This is used to…
Chemistry
What Is pH?
Anyone who is the least bit familiar with vinegar, nausea, sodium bicarbonate, and ammonia-based cleaning…