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Oceans' uptake of manmade carbon may be slowing
The oceans play a key role in regulating climate, absorbing more than a quarter of the carbon dioxide that humans put into the air. Now, the first year-by-year accounting of this mechanism during the ...
Earth Sciences |
Read moreUT Knoxville and ORNL researchers turn algae into high-temperature hydrogen source
In the quest to make hydrogen as a clean alternative fuel source, researchers have been stymied about how to create usable hydrogen that is clean and sustainable without relying on an intensive, high-...
Life Sciences | Read moreNewly Discovered Fat Molecule: An Undersea Killer with an Upside
The team discovered a previously unknown lipid, or fatty compound, in a virus that has been attacking and killing Emiliania huxleyi, a phytoplankton that plays a major role in the global carbon cycle....
Life Sciences | Read moreAntarctica glacier retreat creates new carbon dioxide store
Large blooms of tiny marine plants called phytoplankton are flourishing in areas of open water left exposed by the recent and rapid melting of ice shelves and glaciers around the Antarctic Peninsula. ...
Earth Sciences | Read moreToward Home-brewed Electricity with “Personalized Solar Energy”
That's the topic of a report by an international expert on solar energy scheduled for the November 2 issue of ACS’ Inorganic Chemistry, a bi-weekly journal. It describes a long-awaited, inexpensi...
Power and Electrical Engineering | Read moreNanocapsules for artificial photosynthesis
The structure that has been developed in the university's Organic Chemistry laboratory is fascinatingly complex: thousands of similar molecules are packed together to create a capsule that is fil...
Life Sciences | Read moreSeafloor Fossils Provide Clues on Climate Change
Assistant Professor of Earth and Environmental Sciences at Rensselaer Polytechnic Institute Miriam Katz has spent the past two decades studying these ancient, deep-sea fossils to reconstruct the clima...
Earth Sciences | Read moreSun or shade: Pecan leaves' photosynthetic light response evaluated
Pecan, the most valuable nut tree native to North America, is native from northern Illinois and southeastern Iowa to the Gulf Coast of the United States, where it grows abundantly along the Mississipp...
Agricultural and Forestry Science | Read moreA new wrinkle in ancient ocean chemistry
Scientists widely accept that around 2.4 billion years ago, the Earth's atmosphere underwent a dramatic change when oxygen levels rose sharply. Called the "Great Oxidation Event" (GOE),...
Earth Sciences | Read moreEutrophication affects diversity of algae
Phytoplankton provide the basis for the whole marine food chain. These microscopic organisms are common in coastal areas, all the way from the polar regions to the Equator, and multiply through cell d...
Life Sciences | Read moreArctic land and seas account for up to 25 percent of world's carbon sink
In a new study in the journal Ecological Monographs, ecologists estimate that Arctic lands and oceans are responsible for up to 25 percent of the global net sink of atmospheric carbon dioxide. Under c...
Ecology, The Environment and Conservation | Read moreArctic Now Traps 25 Percent of World’s Carbon -- But That Could Change
In their review paper, David McGuire of the U.S. Geological Survey and the University of Alaska at Fairbanks and his colleagues show that the Arctic has been a carbon sink since the end of the last Ic...
Earth Sciences | Read moreEarly hominid first walked on two legs in the woods
This species was not a savanna species like Darwin proposed,” said University of Illinois anthropology professor Stanley Ambrose, a co-author of two of 11 studies published this week in Science on the...
Earth Sciences | Read moreForecasting solar-energy harvests
Most life on earth depends on the sun to provide the energy needed to sustain its function. For more than a billion years, photosynthesis—a mechanism that has evolved to perfection—has allowed plants ...
Power and Electrical Engineering | Read moreOptimized Photosynthesis by High-Precision Lighting
Phototrophic organisms ranging from green and red algae, to cyanobacteria, green sulfur bacteria and plant suspensions, can now enjoy optimal lighting conditions in bioreactors. Making this po...
Life Sciences | Read more
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