News tagged with higher concentrations
Sorry no news are found ... Your search criteria may have been too narrow. You can quickly re-sort the news in different ways by clicking on the tabs at the top of this page.
Search results for higher concentrations
Global warming likely to be amplified by slow changes to Earth systems
Space & Earth / Earth Sciences
Dec 20, 2009 |
2.8 / 5 (46) |
57
Researchers studying a period of high carbon dioxide levels and warm climate several million years ago have concluded that slow changes such as melting ice sheets amplified the initial warming caused by greenhouse ...
Replicating Climate Change to Forecast its Effects
Dec 17, 2009 |
2.5 / 5 (4) |
4
(PhysOrg.com) -- Agricultural Research Service (ARS) scientists are replicating the effects of climate change to see what the future holds for soybeans, wheat and the soils where they grow.
Looking for the heartbeat of cellular networks
Dec 16, 2009 |
not rated yet |
0
Our cells' molecules form an intricate network of interactions. Today's techniques, however, can only be used to measure individual molecular reactions outside the cells. Since molecular concentrations are much higher in ...
Higher levels of protein hormone associated with lower risk of dementia, Alzheimer's disease
Dec 15, 2009 |
5 / 5 (1) |
0
Persons with higher levels of leptin, a protein hormone produced by fat cells and involved in the regulation of appetite, may have an associated reduced incidence of Alzheimer disease and dementia, according to a study in ...
Rare earth metal enhances phosphate glass
Dec 15, 2009 |
4.5 / 5 (2) |
0
(PhysOrg.com) -- Adding cerium oxide to phosphate glass rather than the commonly used silicate glass may make glasses that block ultraviolet light and have increased radiation damage resistance while remaining colorless, ...
Valuable, rare, raw earth materials extracted from industrial waste stream
Dec 15, 2009 |
4.6 / 5 (9) |
5
Fierce competition over raw materials for new green technologies could become a thing of the past, thanks to a discovery by scientists from the University of Leeds.
Hypoxia increases as climate warms
Space & Earth / Earth Sciences
Dec 15, 2009 |
4.3 / 5 (6) |
3
A new study of Pacific Ocean sediments off the coast of Chile has found that offshore waters experienced systematic oxygen depletion during the rapid warming of the Antarctic following the last "glacial maximum" period 20,000 ...
New Study Turns Up the Heat on Soot's Role in Himalayan Warming (w/ Video)
Space & Earth / Earth Sciences
Dec 14, 2009 |
5 / 5 (2) |
0
(PhysOrg.com) -- Soot from fire in an unventilated fireplace wafts into a home and settles on the surfaces of floors and furniture. But with a quick fix to the chimney flue and some dusting, it bears no impact ...
Global warming could significantly impact US wine and corn production, scientists say
Dec 14, 2009 |
3.1 / 5 (9) |
11
When it comes to nature, timing is everything. Spring flowers depend on birds and insects for pollination. But if spring-like weather arrives earlier than usual, and flowers bloom and wither before the pollinators appear, ...
Ethanol results in higher ozone concentrations than gasoline, researchers say
Dec 14, 2009 |
4.4 / 5 (8) |
4
(PhysOrg.com) -- Ethanol, often promoted as a clean-burning, renewable fuel that could help wean the nation from oil, would likely worsen health problems caused by ozone, compared with gasoline, especially ...
List of search results for higher concentrations
