This video compares 1918 flue H1N1 to the current threat: avian flu H5N1. Using animation, the video explains (1) the mechanism of how viruses enter target cells and release from target cells, (2) why 1918 flu named H1N1 and avian flu named H5N1, and (3) why viruses that transmitted only bird-bird can gain the ability of bird-human or even human-human transmit. Biotechnologies such as reverse...

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The video in this website introduces research in genes related to aging, such as sir2 and daf-2. Research with different model organisms is shown in this movie: yeast, worms (C. elegance), flies and mice. Biotechnologies such as gene arrays and fluorescent microscopy are also shown. In addition, the website has a flash simulation showing how sir2 slow down aging in yeasts. For more...

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