USGS February science picks

no polar bear food and bears enter the winter season in poor body condition. Scientists at the USGS Alaska Science Center are examining how sea ice quality and condition have changed and will change for the period 1985-2008. Using remote sensing and polar bear movement data, the team will establish how polar bears adapt to those changes spatially, and will test whether there is evidence that changes in sea ice habitat resulting from climate change may alter polar bear condition, productivity and survival of young.

To learn more, visit: http://www.absc.usgs.gov/research/programs/mammals.htm#polar.

For more information, call Geoff York at 907-786-3928 or email at: geoff_york@usgs.gov.

USGS Geologists Lend a Hand in Understanding the Red Planet Though they all need a few good night's sleep, the spirits of the USGS Astrogeology Team couldn't be soaring higher as they excitedly view the stunning pictures being transmitted from recently landed Mars rovers, Spirit and Opportunity. Equipped with imaging and sensor instruments, the twin rovers are robotic field geologists, spending the first 5 months of 2004 exploring Mars' climate history and searching for evidence of ancient, water-rich environments that could have supported Martian life. Several scientists in the USGS Astrogeology Program are stationed at NASA's Jet Propulsion Laboratory and are part of the Mars Exploration Rover (MER) Mission. Others are stationed in Flagstaff at the Astrogeology Program's headquarters. Instruments aboard the rovers, include a multispectral panoramic camera, a broad-band microscopic imager, a thermal emission spectrometer, a rock scraper, and two instruments designed to measure the composition of rocks and soils. Scientists Ken Herkenhoff and Larry Soderblom are assisting with calibration of all of the MER cameras and providing software tools for

Contact: Butch Kinerney
United States Geological Survey

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Related biology news :

1. Other highlights in the February 18 issue of JNCI
2. JCI table of contents, 16 February 2004
3. Story tips from the Department of Energys Oak Ridge National Laboratory, February 2004
4. Other highlights in the February 4 issue of JNCI
5. JCI table of contents, February 2, 2004
6. Research news from Tufts University, Friedman School of Nutrition Science and Policy: February 2004
7. Story tips from the Department of Energys Oak Ridge National Laboratory February 2003
8. Science picks -- leads, feeds and story seeds (February 2003)
9. NIH and NSF team up to link math and biology at February 12 Symposium
10. Tips from the Journals of the American Society for Microbiology: February 2002
11. February media highlights - GSA Bulletin

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