Posts Tagged ‘Canada’
Volcanoes likely sparked Little Ice Age
U. COLORADO-BOULDER (US) — Four massive tropical volcanic eruptions that occurred over a span of 50 years may have triggered Earth’s enigmatic Little Ice Age. Continue…
Tuesday, January 31, 2012 10:47 - 2 Comments
Health & Medicine - May 17, 2011 13:55 - 0 Comments
Psychiatrists OK treating with placebos
MCGILL (CAN) — A recent survey shows Canadian psychiatrists embrace the power of placebos more than other physicians. (more…)
Earth & Environment - Aug 18, 2010 8:38 - 0 Comments
Glimpse of prehistoric Earth in Arctic rock
McGILL (CAN)—Geochemical evidence from volcanic rocks collected on Baffin Island in the Canadian Arctic suggests that a region of mantle beneath the Earth’s surface has largely escaped billions of years of melting and geological churning. (more…)
Earth & Environment - Oct 20, 2009 11:32 - 0 Comments
Arctic cores signal ‘unique’ climate shift
U. COLORADO (US)—An analysis of sediment cores indicates that biological and chemical changes occurring at a remote Arctic lake are unprecedented over the past 200,000 years and likely are the result of human-caused climate change. (more…)
Science & Technology - Mar 9, 2009 20:48 - 0 Comments
Arctic turtle fossil reveals clues to climate change
U. ROCHESTER (US)—A tropical turtle fossil discovered high in the Canadian Arctic suggests that a rapid spike in carbon dioxide some 90 million years ago created a super-greenhouse effect, raising polar temperatures rather dramatically. The find strongly suggests that animals migrated from Asia to North America not around Alaska, as once thought, but directly across a freshwater sea floating atop the warm, salty Arctic Ocean. (more…)
