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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Astronomy
Crab Nebula
For millions of years a star shone in the far off constellation of Taurus. So far away, and so faint that even…
Biology
Cougars, A Jumping Star
Cougars would make great basketball or track-and-field players. Of all the big cats, they are the best…
Geology
The Importance Of Clouds And Aerosols To Climate Change
Everything, from an individual person to Earth as a whole, emits energy. Scientists refer to this energy as…
Medicine
Re-emerging Microbes
The reappearance of microbes that had been successfully conquered or controlled by medicines is distressing to…