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A group of researchers at Harvard and Massachusetts General Hospital have published findings on a new, more accurate method to predict stroke risk through a statistical model that screens for thousands of potentially stroke-causing genes. The model—called a Bayesian network—differs from existing methods...

Author: By Beverly E. Pozuelos, CONTRIBUTING WRITER | Title: Model Predicts Risk of Stroke | 3/6/2009 | See Source »

So if the women's lifestyle doesn't explain their longevity, what does? While the study was not designed to tease out specific factors, Tindle proposes several potential explanations, which she hopes to validate in further trials: optimistic people have more friends and a larger social network on which they...

Author: /time Magazine | Title: Study: Optimistic Women Live Longer | 3/5/2009 | See Source »

Where are we going as a species? You'll have to call me after a few martinis [Laughs]. Where we are going as a species is a big question. Human evolution certainly hasn't stopped. Every time individuals produce a new zygote, there's a reshuffling and recombination of genes...

Author: /time Magazine | Title: Q&A: 'Lucy' Discoverer Donald C. Johanson | 3/4/2009 | See Source »

The idea that scientists have an irrational reverence for Darwin is false. His work is seen as incomplete at best: Darwin knew nothing about genes or DNA, and yet today it would be impossible to teach evolution without discussing them. Further, although Darwin developed his theory first, it was Alfred...

Author: By Adam R. Gold | Title: Not the Year of Our Lord | 3/1/2009 | See Source »

Harvard Medical School Professor Edward E. Harlow was awarded $100,000 last Wednesday by the Melanoma Research Foundation to fund his work developing therapeutic approaches to treat melanoma, a skin cancer that kills thousands of Americans each year. The award—the Established Investigator Grant—will support...

Author: By Beverly E. Pozuelos, CONTRIBUTING WRITER | Title: HMS Prof. Wins Research Award | 2/27/2009 | See Source »

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