April 22, 2011 12:04 pm Everyday is Earth Day at NASA NASA Chief Scientist, Dr. Waleed Abdalati discusses several of the most-visited Earth science images that NASA has posted to its Twitter and Facebook feeds in the past year. US & World Videos 1:43 Traces of bird flu virus found in 1 in 5 samples of pasteurized milk, FDA says 2:07 Southbound I-680 in East Bay closed for weekend repaving work 3:00 Pro-Palestine demonstrators continue to protest at Stanford 2:14 California's lot-splitting law faces legal push back 2:26 Synced In: Breaking in the 2024 Paris Olympics
