Malaria and Sickle Cell Anemia
Sickle cell anemia is a genetic disorder in which the red blood cells collapse into a 'sickle' shape and cannot carry oxygen very well. They also tend to get stuck in narrow blood vessels, causing painful crises. The disease is caused by a change in one amino…
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Is the Dead Sea really dead?
The Dead Sea is located on the boundary between Israel and Jordan at a lowest point on earth, at 400 meters…
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What's Blindsight?
Some people become blind after suffering an injury to their primary visual cortex at the back of their brain.…
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Botrytis: The Noble Rot
Gray mold is a common disease of small fruits (e.g. strawberries) and flowers (e.g. petunias) in warm, humid…
Geology
Finding Ice In The Rocks--Evidence Of Earth's Ice Ages
In the late 1700s, geologists began trying to determine how huge boulders of granite weighing several tons…