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Last updated on April 23, 2014 at 21:24 EDT

Latest David Gems Stories

Wave Of Blue Fluorescence Reveals Spread Of Death In Worms
2013-07-24 08:45:45

Wellcome Trust The final biological events in the life of a worm are described today, revealing how death spreads like a wave from cell to cell until the whole organism is dead. When individual cells die, it triggers a chemical chain reaction that leads to the breakdown of cell components and a build-up of molecular debris. The molecular mechanisms of this are reasonably well understood at a cellular level but we know much less about how death spreads throughout an organism at the end...

Scientists Question Resveratrol Longevity Products
2011-09-22 10:14:07

   New research suggests that anti-ageing face creams and supplements, that actively use a 'miracle ingredient' commonly found in red wine, are a complete waste of time and money, and do nothing to improve your odds of living a longer life. Resveratrol, which is credited with many of the health benefits of red wine, has become a staple for several beauty companies and is used in numerous products that can fetch prices of up to several hundreds of dollars for just a small...