Word: celling
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...Fauci, director of the National Institute of Allergy and Infectious Diseases, scrapped plans for a large clinical trial of the government's most advanced HIV vaccine candidate to date. The vaccine, a two-shot injection, was designed to fight HIV infection a new way - by activating the body's cell-based immune responses rather than by relying on antibodies...
Fauci says the decision doesn't spell the end for the cell-based approach - he just believes more basic work is necessary to understand how these approaches work. And conducting smaller, more focused trials help to do just that...
...Pelosi had an ace up her sleeve - or in her bag. Just as the audience began to get fidgety, she began to talk about climate issues, and pulled her cell phone out of her purse. The moderator asked if Pelosi was "pulling a Giuliani." In fact, one-upping Rudy Giuliani's now-famous cell-phone call from his wife during a high-profile speech, Pelosi explained that she had a letter from a friend, an expert on the issue. Placing her phone to the microphone, Vice President Al Gore's voice began to narrate a climate-change plea for action...
Between events at World Youth Day in Sydney, presided over by Pope Benedict XVI, many of the Roman Catholic pilgrims shop for souvenirs, call home on their cell phones or sip cappuccinos at outdoor cafes. Others, however, find that money is tight. For Cyprian Mekendu, just getting to Australia took a miracle of sorts. Like many young Papua New Guineans, he has no paid job. He lives by selling vegetables from his food garden outside the capital, Port Moresby. But, says the volunteer youth worker, he never gave up hope: "Jesus said, 'Whatever you ask in my name, I will...
Published in the journal Cell Host & Microbe, the findings center around one gene variation that blocks a receptor from being expressed on the surface of red blood cells. Scientists had previously studied this genetic variant - found almost exclusively in Africans and their descendants - because it also conferred protection against an early form of malaria. (The malaria parasite needed the receptor to infect blood cells; without the receptor, the parasite starved and died.) More than 90% of sub-Saharan Africans lack the red-blood-cell receptor, along with two-thirds of African-Americans. But the variant that once saved its carriers...