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Scientists Radio-Track Orchid Bees
6/14/10 - 07/12/10 |
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Evolution in Action: Isolation and Speciation in the Lower Congo (through 7/10) | |||||||
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Climate Events
5/1/10 - 2/28/10 |
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Zircons: Time Capsules from the Early Earth (through 10/10) |
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Cosmic Collisions Fuel Black Holes 6/14/10 - 07/12/10 |
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Our Expanding Universe (through 10/10) |
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Inside the Teenage Brain
6/14/10 - 07/12/10 |
| HPV: Treating Cancer Caused by Viruses (through 7/10) |
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Video Feature:
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Boreal Forests and Climate Change Boreal forest ecosystems have become the subject of much interest in recent years as temperature increases in the northern high latitudes over the past few decades have led to a wide variety of ecosystem changes including modified fire regimes, plant populations, growing seasons, seasonal thaws, and productivity levels. As a result, the balance of carbon and energy exchange is being altered. Some of the most compelling changes taking place in boreal ecosystems have been documented using a combination of satellite and field observations, which show significant difference in boreal biomes located just a few kilometers apart. These differences make it difficult to generalize measurements taken at a given boreal forest site, yet such measurements are essential to our understanding of the processes driving ecosystem and climate change. Featuring Scott Goetz, Woods Hole Research Center. |
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News | Earth and Climate Events As always, look for notable weather and climate events in recent NOAA satellite data of Earth's cloud cover, as well as the three most remarkable earthquakes and volcanic eruptions from the past two weeks. |
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Mt. Etna
Learning from Earthquakes: Then and Now Because of the significant hazards posed by flank eruptions to downslope population centers and agriculture, Mt. Etna is the most heavily monitored volcano in Europe using a variety of techniques including: broad band seismometers, tiltmeters, and a new nearly continuous Multi-gas sensor for measuring H2S/SO2 and CO2 degassing (one of the first of these instruments deployed in the world). These monitoring techniques are used to delineate eruption precursors, crucial to eruption forecasting and hazard mitigation. |
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Wide-field Infrared Survey Explorer WISE (Wide-field Infrared Survey Explorer) will surey the entire sky in the mid-infrared with far greater sensitivity than any previous mission or program ever has. The WISE survey will consist of over a million images, from which hundreds of millions of astronomical objects will be catalogued, providing a vast storehouse of knowledge about the Solar System, the Milky Way, and the Universe. |
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Genetic Diversity: Malaria
For about 7 years, Dyann Wirth has been collaborating with researchers in Dakar, Senegal, to use genetic approaches to track and fight malaria—one of the world's leading causes of death. An overarching goal of Wirth's research is to use genetic testing to develop an early warning system to detect when malaria drugs aren't working, allowing time to try different approaches and minimizing the development of drug-resistant strains. |
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