Sometimes if you feel your working conditions are difficult, consider what it must be like to work at the National Science Foundation's Amundsen-Scott South Pole Station. Those hardy scientists are working year-round on the coldest, highest, driest, and windiest continent. In 2011, the Station celebrated its 100th anniversary, and this NSF website offers curious parties a look into the past and...

NASA's Visible Earth site is a solid and easy-to-use collection of images and animations of our planet. At present, the database holds 4,275 records and may be searched by keyword or advanced search options or browsed by category and topic. Initial returns include a large thumbnail which links to a several-paragraph description and the full-size images or animations. A nice resource for both...