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Blocking HIV’s Attack (preview)

A little more than three years ago a medical team from Berlin published the results of a unique experiment that astonished HIV researchers. The German group had taken bone marrow--the source of the body’s immune cells--from an anonymous donor whose genetic inheritance made him or her naturally resistant to HIV.

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When Viruses Invade the Brain

Neurodegenerative diseases were once considered disorders of the mind, rooted in psychology. Now viruses rank among the environmental factors thought to trigger brain-ravaging diseases such as multiple sclerosis (MS) and Alzheimer’s disease.

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Porn star’s false-positive HIV test raises questions

News that the porn film star who tested HIV-positive last week and shut down Los Angeles’ billion-dollar industry does not have the virus raises questions about incorrect test results.

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Anatomy of a Mosquito-Borne Outbreak

Chikungunya is a scary-sounding virus with some scary symptoms: joint pain so excruciating that patients often can’t stand or even sit upright for months. The mosquito-borne virus got its start thousands of years ago in southeastern Africa, where it generally caused a slow but steady stream of cases. About 50 years ago a mild strain of the virus spread to Asia.

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Don’t Focus on Selling the Fix

To scale up a knowledge-based business, it's necessary to take yourself out of the equation. Here's one solution for how to grow your business. One of the most common questions I get from business owners comes from people who sell their expertise for a living

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Hacking the Lights Out: The Computer Virus Threat to the Electrical Grid (preview)

Last year word broke of a computer virus that had managed to slip into Iran’s highly secure nuclear enrichment facilities. Most viruses multiply without prejudice, but the Stuxnet virus had a specific target in its sights--one that is not connected to the Internet. Stuxnet was planted on a USB stick that was handed to an unsuspecting technician, who plugged it into a computer at a secure facility

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World Health Organization to Decide Fate of Smallpox Stocks

By Declan Butler of Nature magazine Health ministers from the World Health Organization's (WHO's) 193 member states will next week debate when to destroy the two last known remaining stocks of the virus that causes smallpox, a scourge that was eradicated in 1980. Many scientists argue, however, that the variola stocks should be maintained, perhaps indefinitely

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HIV May Be Culprit in Spread of Measles

Measles has been all but eradicated in the developed world, but it still claims more than 160,000 lives in developing countries. Sub-Saharan Africa, in particular, has been hit hard in the past few years.

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