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Videos / Biology & Medicine

Retroviruses And Pseudogenes
A retrovirus is an RNA virus that is replicated in a host cell via the enzyme reverse transcriptase. Pseudogenes are defunct genes that have lost their protein-coding ability.

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How To Survive Falling Into a Frozen Lake
If you ever fall into a frozen lake or pond, having watched this video may save your life.

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The Future of Joint Replacement
Arthritis and injury grind down millions of joints, but few get the best remedy -- real biological tissue.

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Fighting Cancer with Magnetic Nanoparticles
Essentially, the theory is that nano particles injected into a tumor may be the key to safely treating cancer patients without harmful, destructive chemotherapy.

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The Reality of Suspended Animation
Mark Roth studies suspended animation: the art of shutting down life processes and then starting them up again. It's wild stuff, but it's not science fiction.

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A Lab the Size of a Postage Stamp
Traditional lab tests for disease diagnosis can be too expensive and cumbersome for the regions most in need. George Whitesides' ingenious answer is a foolproof tool that can be manufactured at virtually zero cost.

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