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...debilitating recession and frozen credit markets. Thus, the near-term earnings may look much improved even though demand for a company's products may have slumped. "Cost-cutting has been the major force driving earnings and earnings surprises," says Dirk Van Dijk, chief equity strategist at Zacks Investment Research, which monitors earnings projections from Wall Street analysts. And "clearly companies cannot continue to grow earnings forever based only on cost-cutting." (See 10 things to buy during the recession...
...concentrations across the entire atmosphere. They then combined that with measurements from the multinational Gravity Recovery and Climate Experiment (GRACE) satellite, which gave them a broad estimate of planet-wide groundwater levels. Finally they added surface-temperature data from the U.S. National Center for Environmental Prediction/National CENTER for Atmospheric Research, because heat can increase methane emissions from wetlands as well. (See the top 10 scientific discoveries...
...Researchers at Harvard and the University of California, San Diego have discovered that mutations in the HIV virus work together to induce drug resistance—a finding that may offer new leads in HIV drug research and therapy...
...Researchers have already identified 99 sites on viral proteins that are associated with resistance to HIV drugs, but inadequate data and the lack of advanced calculation techniques have hindered further research...
...It’s very encouraging that we can identify patterns of resistance so that we can understand something about why these patterns exist,” said Daniel R. Kuritzkes, a professor of medicine at HMS who has conducted extensive research on mechanisms and clinical significance of HIV drug resistance...