Study of giant viruses shakes up tree of life
Salt seeds clouds in the Amazon rainforest
It's morning, deep in the Amazon jungle. In the still air innumerable leaves glisten with moisture, and fog drifts through the trees. As the sun rises, clouds appear and float across the forest canopy ... ...
Sep 10, 2012
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Imaging metals within cells: Identifying the proteins that bind
(Phys.org)—Metals such as copper, zinc, and iron are important nutrients to all life. The special properties of these elements that make them so useful in technologies including batteries and catalysts ...
Sep 10, 2012
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'Promiscuous' enzymes still prevalent in metabolism
Open an undergraduate biochemistry textbook and you will learn that enzymes are highly efficient and specific in catalyzing chemical reactions in living organisms, and that they evolved to this state from ...
Aug 30, 2012
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New estimate of living biomass: One third less life on planet Earth
Estimates of the total mass of all life on Earth should be reduced by about one third, based on the results of a study by a team of scientists at the University of Rhode Island's Graduate School of Oceanography ...
Aug 27, 2012
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Lessons from herbicide tolerance
(Phys.org)—Polyamines are widespread and important organic compounds involved in multiple cellular processes in living organisms. Their levels are highly regulated through a combination of processes including ...
Aug 24, 2012
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Controlling cellular function on nano surfaces
EU-funded researchers applied nano-engineering to the creation and control of biological interfaces with natural and novel synthetic functionalities. The ultimate goal is the steering of cell function for ...
Aug 14, 2012
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Researchers collect and reuse enzymes while maintaining bioactivity
Clemson University researchers are collecting and harvesting enzymes while maintaining the enzyme's bioactivity. Their work, a new model system that may impact cancer research, is published in the journal Small.
Aug 08, 2012
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Tale of two scientific fields -- ecology and phylogenetics -- offers new views of Earth's biodiversity
Using wastewater as fertilizer
Sewage sludge, wastewater and liquid manure are valuable sources of fertilizer for food production. Fraunhofer researchers have now developed a chemical-free, eco-friendly process that enables the recovered ...
Aug 03, 2012
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Bacterial community inside the plant root
(Phys.org) -- Soil is the most species-rich microbial ecosystem in the world. From this incredible diversity, plants specifically choose certain species, give them access to the root and so host a unique, ...
Aug 03, 2012
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Cadherin-catenin-actin structure exerts force inside and between cells in living tissues, study shows
If you place certain types of living cells on a microscope slide, the cells will inch across the glass, find their neighbors, and assemble themselves into a simple, if primitive tissue. A new study at Stanford ...
Jul 16, 2012
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Scientists say NASA's 'new arsenic form of life' was untrue
Two new scientific papers have disproved a controversial claim made by NASA-funded scientists in 2010 that a new form of bacterial life had been discovered that could thrive on arsenic.
Jul 09, 2012
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Life's molecules could lie within reach of Mars Curiosity rover
Stick a shovel in the ground and scoop. That's about how deep scientists need to go in order to find evidence for ancient life on Mars, if there is any to be found, a new study suggests. That's within reach ...
Jul 05, 2012
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Revealing a pollutant's Achilles' heal
Nitric oxide (NO) is a versatile free radical that plays central roles in the environment as well as living organisms. At low concentration in the human body, for example, NO protects organs against pathogens ...
Jun 08, 2012
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