http://www.mail.com/organizations/1507586-american-museum-natural-history.html Mail.com - the best personalized free web-based Email en en http://sec-s.uicdn.com/mail.com/2.28/img/mailcom_logo_rss.png http://www.mail.com/organizations/1507586-american-museum-natural-history.html http://www.mail.com/scitech/news/1875634-tragedy-dinosaurs-opportunity-mammals-us.html WASHINGTON (AP) — New research pinpoints how the torch passed from one dominant creature on Earth to another, from the brutish dinosaur to the crafty mammal. Two studies published Thursday in the journal Science better explain the Earth-shaking consequences of a catastrophic cosmic collision 66 million years ago when a comet or asteroid smashed into the G... Thu, 07 Feb 2013 22:33:00 GMT http://www.mail.com/scitech/news/1875634-tragedy-dinosaurs-opportunity-mammals-us.html 2013-02-07T22:33:00Z