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...when another drought hit the area around 2002, researchers were surprised to see up to 10% of the piñon pines die off, even though that dry spell was much milder than the one before. The difference in 2002 was the five decades of global warming that had transpired since the drought in the 1950s. That led terrestrial ecologists at the University of Arizona (UA) to pose the question, With temperatures set to rise sharply over the coming century if climate change goes unchecked, what impact will it have on the piñon pine...
Unsurprisingly, the outcome doesn't look good. In a new study published April 13 in the Proceedings of the National Academy of Sciences (PNAS), scientists at UA found that water-deprived piñon pines raised in temperatures about 7° Fahrenheit (4° Celsius) above current averages died 28% faster than pines raised in today's climate. It's the first study to isolate the specific impact of temperature on tree mortality during drought - and it indicates that in a warmer world trees are likely to be significantly more vulnerable to the threat of drought than they are today...
...cells to give them a more hospitable environment. "This study shows that it can work, but how long it will work is a question," he says. Previous studies have shown that after an immune cell transplant, beta cells vigorously produce insulin for about six months, and then start to die off, victims of the same immune attack that destroyed their predecessors...
...Washington 2007, but came down with mono during pageant week and was all too happy to be cut before the finals. (Have you ever tried singing on stage in front of 1000 people while sick with mono? I would not recommend it. I felt like I was about to die.) I made some great scholarship money, though, and defrayed some of the cost of law school. I also learned how to tease my hair, use fashion tape, and walk in four-inch heels -- life skills that they certainly do not teach at Harvard...
...says some NGOs used the prison visits "in a political way, or in the media not in the right way." The government will visit the prisons and set up women's shelters, she says, as well as train select NGOs to help fulfill those roles. Some old habits clearly die hard. But new ones are slowly forming. "Many people say there is no trafficking in Iraq - they refuse to admit this phenomenon," says Fath Allah, head of the inter-ministerial committee. "But we say that this exists and we are working to prevent it from happening. There will...