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Oxygen-poor 'boring' ocean challenged evolution of early life

2013-03-18 21:31:00| Climate Ark Climate Change & Global Warming Newsfeed

ScienceDaily: A research team led by biogeochemists at the University of California, Riverside has filled in a billion-year gap in our understanding of conditions in the early ocean during a critical time in the history of life on Earth. It is now well accepted that appreciable oxygen first accumulated in the atmosphere about 2.4 to 2.3 billion years ago. It is equally well accepted that the build-up of oxygen in the ocean may have lagged the atmospheric increase by well over a billion years, but the details...

Tags: life early evolution ocean

Ability of breastfeeding to protect against childhood obesity challenged

2013-03-15 21:42:10| Chemicals - Topix.net

Stacy Bazzana, of Wilmington, breastfeeds 4 month-old daughter Eloise, in the NICU at Nemours/A.I. DuPont Hospital for Children on August 2, 2012.

Tags: ability protect childhood challenged

EU summit: Austerity push challenged

2013-03-14 15:42:39| BBC News | Business | UK Edition

Jobs and growth are expected to dominate an EU summit getting under way in Brussels.

Tags: push summit challenged summit push

Basketball to bankruptcy: Detroit mayor challenged

2013-03-09 06:21:54| Automakers - Topix.net

Dave Bing conquered the NBA and the business world. Then the basketball Hall of Famer set out to save Detroit, the once-booming auto industry hub that is now collapsing.

Tags: mayor basketball detroit bankruptcy