Why Don’t Fish in the Arctic Ocean Freeze?
Why Don’t Fish in the Arctic Ocean Freeze? Scientists have discovered why fish don’t freeze in the Arctic Ocean. Together with cooperation partners from the...
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When Does the Body Produce Adrenalin?
When Does the Body Produce Adrenalin? A person’s body produces Epinephrine, also known as adrenalin or adrenaline, when he is angry, frightened or challenged, or when...
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Why Do We Turn White When Frightened?
Why Do We Turn White When Frightened? We turn white when we are frightened because the blood in our cheeks is diverted to do a more urgent job. At the same time our...
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When Was Blood-letting Common?
When Was Blood-letting Common? Blood-letting was a common form of medical treatment before the time of Hippocrates (400 B. C.), the Greek “father of medicine” and was...
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Who Developed Insulin?
Who Developed Insulin? Insulin extracts, which save the lives of many thousands of people, were developed by the combined efforts of three physiologists, Sir Frederick...
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