Explore & Learn > Archive > February 2008

Explore & Learn

NOAA's Arctic Theme Page Offers Topical Essays from the Experts

2/29/2008 The collection of more than 20 illustrated essays addresses topics ranging from "why and how" scientists study Arctic climate change to the changes indigenous peoples are observing in the state of sea ice to "what's happening to polar bears." More

Slides Explain the Search for Ancient Martian Life in Antarctic Meteorites

2/27/2008 The Lunar and Planetary Institute maintains a set of slides that discusses Mars; searching for Antarctic meteorites; ALH 84001, an Antarctic meteorite scientists claim contains fossilized Martian microbes; and exploration of Mars and the universe. More

NASA Animation Shows How Melting Surface Lubricates the Base of Greenland's Ice Sheet, Speeding Glacier Flow to the Sea

2/25/2008 The animation illustrates how melt-water puddles on the Greenland ice sheet and drains through cracks to the surface below. This water lubricates underlying bedrock, causing the ice to flow faster toward the sea. More

USGS Podcast: "Antarctica from Above and Below"

2/19/2008 In this October 2007 podcast produced for Earth Science Week, USGS scientist Richie Williams talks about the agency's new satellite imagery of Antarctica as well as what's going on with ice on the southernmost continent. More

Teachers' Domain Launches Polar Sciences Special Collection

2/6/2008 WGBH television's Teachers' Domain has added a Polar Sciences Special Collection to its Web site. The collection is funded by NSF and offers 20 new resources about the Polar regions, and a new feature; a student activity. Registration required. More