segunda-feira, 5 de dezembro de 2011

Ancient Oceans Offer New Insight Into Origins Of Animal Life

ScienceDaily (2009-09-09) -- Analysis of a rock type found only in the world's oldest oceans has shed new light on how large animals first got a foothold on Earth.

http://www.sciencedaily.com/releases/2009/09/090909133020.htm

terça-feira, 8 de novembro de 2011

Sea life 'must swim faster to survive' to survive climate change



In a new study, scientists warn that fish and other sea creatures will have to travel large distances to survive climate change. (Credit: © Mark Doherty / Fotolia)
ScienceDaily (2011-11-07) -- Fish and other sea creatures will have to travel large distances to survive climate change, international marine scientists have warned. Sea life, particularly in the Indian Ocean, the Western and Eastern Pacific and the subarctic oceans will face growing pressures to adapt or relocate to escape extinction, according to a new study.
http://www.sciencedaily.com/releases/2011/11/111107161959.htm

domingo, 23 de outubro de 2011

Cooling the warming debate: Major new analysis confirms that global warming is real.

ScienceDaily (2011-10-21) -- Global warming is real, according to a major new study. Despite issues raised by climate change skeptics, the Berkeley Earth Surface Temperature study finds reliable evidence of a rise in the average world land temperature of approximately 1 degree Celsius since the mid-1950s.

terça-feira, 20 de setembro de 2011

Deep oceans can mask global warming for decade-long periods
The ocean conveyor belt transports water -- and heat -- around the globe. (Credit: NOAA)

ScienceDaily (2011-09-18) -- The planet's deep oceans at times may absorb enough heat to flatten the rate of global warming for periods of as long as a decade even in the midst of longer-term warming, according to a new analysis.

http://www.sciencedaily.com/releases/2011/09/110918144941.htm