Missing link in HIV evolution found in chimps
Scientists report that SIV in wild chimpanzees at Gombe National Park is the closest relative to the human HIV virus, showing high death rates and low T cell counts similar to AIDS. The nine year study suggests a evolutionary bridge in the HIV pandemic and may guide future treatments or vaccines.
MENTIONED IN THIS ARTICLE
Washington, D.C
Nature
University of Alabama At Birmingham
Gombe National Park
Tanzania
Hahn
Daniel Douek
National Institute of Allergy and Infectious Diseases
Douek
Astronauts Replace Bulk Batteries On ISS Spacewalk
Two astronauts David Wolf and Christopher Cassidy conducted a three hour spacewalk from the shuttle Endeavour to swap four nickel hydrogen batteries on the ISS. The bulky units weigh about 370 pounds each and sit at the far left end near the solar wings. NASA plans six total replacements with two more set for Friday and each new unit costs 3.6 million dollars.
MENTIONED IN THIS ARTICLE
Cape Canaveral
Fla
International Space Station
David Wolf
Christopher Cassidy
International Space
NASA
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