How Was Electricity Discovered?
How Was Electricity Discovered? Scientists have found evidence that ancient peoples may have experimented with electricity, too. In 1936, a clay pot was discovered that...
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When Did Man Learn to Make Fire Himself?
When Did Man Learn to Make Fire Himself? Scientists believe it must have happened very early in history. It must have come about as a result of the observation of...
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How Was the Controlled Use of Fire Discovered?
How Was the Controlled Use of Fire Discovered? According to the Greek mythology, Prometheus stole fire from the gods and gave it to humans. Many Native American...
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What Is Sea Level?
We say that Mount McKinley in Alaska is 20,320 feet above sea level, or that Death Valley, in California, is 282 feet below sea level. And we say that the surface of...
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What Is Carbon-14 Dating?
What Is Carbon-14 Dating? Carbon-14 (a carbon atom with six protons and eight neutrons) is an isotope of normal carbon, which is also known as carbon-12 (a carbon atom...
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