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Health & MedicineIs HAART hard on the heart?
Two studies came to opposite conclusions on whether multiple-drug regimens known as highly active antiretroviral therapy (HAART) for people with AIDS also contribute to heart trouble.
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EarthUnderground Soil Economy: Microbes hidden in the dirt react to UV boost
The community of soil microbes may live hidden in the ground, but it still changes when there's more ultraviolet radiation above.
By Susan Milius -
18996
In this article, Alan R. Templeton of Washington University used 10 sources of DNA for his geographic study of human origins. Peter A. Underhill of Stanford feels the population sampled was too small for statistical significance.