News tagged with organic carbon

First plants caused ice ages: research

New research reveals how the arrival of the first plants 470 million years ago triggered a series of ice ages. Led by the Universities of Exeter and Oxford, the study is published today (February 1, 2012) in Nature Geoscience.

Space & Earth / Earth Sciences

created Feb 01, 2012 | popularity 4.7 / 5 (12) | comments 12 | with audio podcast

Coastal storms have long-reaching effects, study says

Coastal storms are known to cause serious damage along the shoreline, but they also cause significant disruption of the deep-sea ecosystem as well, according to a study of extreme coastal storms in the Western Mediterranean ...

Space & Earth / Environment

created Jan 25, 2012 | popularity 5 / 5 (1) | comments 0

Study supports role of quantum effects in photosynthesis

(PhysOrg.com) -- Until a few years ago, photosynthesis seemed to be a straightforward and well-understood process in which plants and other organisms use sunlight to convert carbon dioxide and water into sugars, ...

Physics / General Physics

created Jan 25, 2012 | popularity 4.9 / 5 (13) | comments 7 | with audio podcast feature

Restored wetlands rarely equal condition of original wetlands

Wetland restoration is a billion-dollar-a-year industry in the United States that aims to create ecosystems similar to those that disappeared over the past century. But a new analysis of restoration projects ...

Biology / Ecology

created Jan 24, 2012 | popularity 5 / 5 (5) | comments 7 | with audio podcast

Broadcast study of ocean acidification to date helps scientists evaluate effects on marine life

Might a penguin's next meal be affected by the exhaust from your tailpipe? The answer may be yes, when you add your exhaust fumes to the total amount of carbon dioxide lofted into the atmosphere by humans ...

Space & Earth / Environment

created Jan 23, 2012 | popularity 5 / 5 (4) | comments 24 | with audio podcast

Dog skull dates back 33,000 years

If you think a Chihuahua doesn't have much in common with a Rottweiler, you might be on to something.

Other Sciences / Archaeology & Fossils

created Jan 23, 2012 | popularity 4.7 / 5 (15) | comments 3 | with audio podcast

Unprecedented, man-made trends in ocean's acidity

Recent carbon dioxide emissions have pushed the level of seawater acidity far above the range of the natural variability that existed for thousands of years, affecting the calcification rates of shell-forming ...

Space & Earth / Environment

created Jan 22, 2012 | popularity 4 / 5 (20) | comments 29 | with audio podcast

Thawing tundra a new climate threat

(PhysOrg.com) -- A significant source of greenhouse gases has started leaking into the Earth's atmosphere from an unlikely place. Above the Arctic Circle, land frozen for tens of thousands of years has begun ...

Space & Earth / Environment

created Jan 20, 2012 | popularity 4.2 / 5 (15) | comments 11

Neutron scattering provides window into surface interactions

To better understand the fundamental behavior of molecules at surfaces, researchers at the U.S. Department of Energy's Oak Ridge National Laboratory are combining the powers of neutron scattering with chemical analysis.

Physics / General Physics

created Jan 17, 2012 | popularity 5 / 5 (1) | comments 0 | with audio podcast

New chemical reaction holds promise for drug development

A team of researchers at the California Institute of Technology (Caltech) has devised a new method for making complex molecules. The reaction they have come up with should enable chemists to synthesize new ...

Chemistry / Materials Science

created Jan 12, 2012 | popularity 5 / 5 (5) | comments 0 | with audio podcast

Sea cucumbers: Dissolving coral reefs?

Coral reefs are extremely diverse ecosystems that support enormous biodiversity. But they are at risk. Carbon dioxide emissions are acidifying the ocean, threatening reefs and other marine organisms. New research led by Carnegie's ...

Space & Earth / Earth Sciences

created Dec 22, 2011 | popularity 5 / 5 (1) | comments 0 | with audio podcast

Findings on biochar, greenhouse gas emissions and ethylene

Adding a charred biomass material called biochar to glacial soils can help reduce emissions of the greenhouse gases carbon dioxide and nitrous oxide, according to U.S. Department of Agriculture (USDA) scientists.

Space & Earth / Environment

created Dec 13, 2011 | popularity not rated yet | comments 1

Researchers find more evidence of quantum processes at work in photosynthesis

(PhysOrg.com) -- Researchers working together from the University of Chicago and Washington University in St. Louis, have found more evidence that suggests quantum effects are at play as plants use energy from the sun to ...

Physics / General Physics

created Dec 07, 2011 | popularity 4.9 / 5 (8) | comments 9 | with audio podcast report

Financing battle emerges at climate change talks

(AP) -- International climate negotiators were at odds Tuesday on how to raise billions of dollars to help poor countries cope with global warming. A major shipping group is willing to help, endorsing a proposal for a carbon ...

Space & Earth / Environment

created Nov 29, 2011 | popularity not rated yet | comments 0

Two-step technique makes graphene suitable for organic chemistry

The future brightened for organic chemistry when researchers at Rice University found a highly controllable way to attach organic molecules to pristine graphene, making the miracle material suitable for a ...

Nanotechnology / Nanomaterials

created Nov 29, 2011 | popularity 4.8 / 5 (8) | comments 4 | with audio podcast