News tagged with higher concentrations
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Search results for higher concentrations
Greenhouse gas levels hit 'troubling milestone'
(AP) — The world's air has reached what scientists call a troubling new milestone for carbon dioxide, the main global warming pollutant.
18 hours ago |
4.2 / 5 (9) |
24
Wireless 'tooth tattoo' detects harmful bacteria
Using silk strands pulled from cocoons and gold wires thinner than a spider's web, researchers at Princeton University have created a removable tattoo that adheres to dental enamel and could eventually monitor ...
May 30, 2012 |
3 / 5 (3) |
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Study: Residential segregation still a problem in US
Despite increasing numbers of multiethnic neighborhoods in the United States, relatively few black or white families are actually moving into these types of communities, according to a new study in the June issue of the American So ...
Other Sciences / Social Sciences
May 31, 2012 |
1 / 5 (1) |
6
Radioactive bluefin tuna crossed the Pacific to US
Across the vast Pacific, the mighty bluefin tuna carried radioactive contamination that leaked from Japan's crippled nuclear plant to the shores of the United States 6,000 miles away - the first time a huge ...
May 28, 2012 |
5 / 5 (4) |
15
'Unzipped' carbon nanotubes could help energize fuel cells, batteries
Multi-walled carbon nanotubes riddled with defects and impurities on the outside could replace some of the expensive platinum catalysts used in fuel cells and metal-air batteries, according to scientists at ...
Nanotechnology / Nanomaterials
May 27, 2012 |
4.4 / 5 (7) |
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Research: Negative leakage could be key to reducing carbon emissions
(Phys.org) -- The unilateral efforts of a single country or region to reduce the emissions of greenhouse gases could reduce exports, increase imports and lead to higher emissions elsewhere – what economists call “leakage.” ...
May 25, 2012 |
5 / 5 (3) |
1
Researchers successfully test solar desalination system for arid land agriculture
Ben-Gurion University of the Negev (BGU) researchers have created a man-made oasis in the desert with the successful application of a solar-powered desalination system that provides water for irrigation in arid regions. The ...
Technology / Energy & Green Tech
May 25, 2012 |
4.5 / 5 (2) |
3
Fungi shifted plant balance of power
Cooperating with fungi didn't just help the earliest plants spread across a barren, rocky landscape; it also played a decisive role in the rise of more complex plants with roots and leaves that make up most ...
May 24, 2012 |
5 / 5 (2) |
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CWRU class earns Science magazine prize for innovation
Science magazine has awarded a prize for Inquiry-Based Instruction to a Case Western Reserve University class that melds biology, computer modeling, mathematical analysis and writing.
Other Sciences / Social Sciences
May 24, 2012 |
not rated yet |
0
Beetle-infested pine trees contribute more to air pollution and haze in forests
The hordes of bark beetles that have bored their way through more than 6 billion trees in the western U.S. and British Columbia since the 1990s do more than damage and kill stately pine, spruce and other trees. ...
May 23, 2012 |
not rated yet |
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List of search results for higher concentrations
