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SCIENCE IN THE NEWS WEEKLY

Global Warming Threatens Resource-Poor Africa

U.N. officials said last week that Africa is especially vulnerable to the harmful effects of global warming and lacks the resources to deal with them. They said industrialized nations should not look to developing nations to reduce greenhouse gas emissions without doing more themselves.

Meanwhile, the U.S. National Academy of Sciences joined with other such scientific groups in a dozen nations in calling on world leaders to limit the threat of climate change by decreasing their dependence on fossil fuels.

And the authors of an article in American Scientist magazine looked at the ecological effects of climate change on the Antarctic Peninsula. They say the average midwinter temperature there has increased by 6 degrees Celsius since 1950, or five times the global average.

American companies that burn coal to make electricity are looking for a way to build plants that would capture their emissions, a strategy that may become a lot more important soon, according to the New York Times.

And, finally, the Christian Science Monitor began a series called "Empty Oceans" that looks at disappearing fish stocks and changing undersea ecosystems, among other factors that are raising alarms.


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PODCASTS: From Balloons to Space Stations: Studying Cosmic Rays

CREAM Inflating

Cosmic rays have mysterious qualities about them that scientists continue to research in order to better understand their origins and composition. Dr. Eun-Suk Seo, a professor of physics at the University of Maryland, and her colleagues, fly enormous balloons as large as a football stadium and a volume of 40-million-cubic feet for extended periods over Antarctica to study particles coming from cosmic rays before they break up in the atmosphere.

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