When and Why is Blood Typing Done?
Fans of the popular television show ER know how important blood type is in an emergency. 'Start the O-neg,' shouts Doctor Green, and the team swings into action. Green calls for type O, Rh-negative blood in life-and-death situations when there's no time for…
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Chemistry
What Is Reduction?
Long ago, in a laboratory far, far away...before the development of the atomic theory we now use, scientists…
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How Can A Bullet-proof Vest Stop A Bullet?
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Is the Dead Sea really dead?
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A New Twist on Fiber Optics
By twisting fiber optic strands into helical shapes, researchers have created unique structures that can…