Viewer's guide: Total lunar eclipse on Wed.
On Wednesday night, Feb. 20, for the third time in the past year, the moon will become completely immersed in the Earth's shadow, resulting in a total lunar eclipse. rssfeeds.usatoday.com
It Took Eons to Make Grand Canyon Grand
WASHINGTON (AP) -- Gazing into the majestic Grand Canyon, awe-struck visitors inevitably ask: "How old is it?" Far older than generally thought, says new evidence that scientists culled from caves lining the canyon's red limestone cliffs.... hosted.ap.org
Learning to love robots
Simon Ings: The human tendency to anthropomorphise will allow automatons to become part of society guardian.co.uk
British scientists identify gene for common heart condition
British scientists have identified in a new study a gene that can cause the heart to become enlarged, greatly increasing the risk of heart attacks and heart failure. The new study, carried out by researchers from Imperial College Lo ... english.people.com.cn