News tagged with water flow
Over 1,000 fish species 'threatened with extinction'
Nov 03, 2009 |
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More than 1,000 freshwater fish species are threatened with extinction, reflecting the strain on global water resources, an updated global "Red List" of endangered species showed Tuesday.
Some Canadian rivers at risk of drying up
Oct 15, 2009 |
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(PhysOrg.com) -- Some Canadian rivers are at risk of drying up as impacts of climate change intersect with growing water demand from the country's cities, industries and agriculture, a new WWF report has found.
Membrane filters are key to future of public water supply, scientists say
Apr 21, 2009 |
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As municipalities across the United States reduce their dependence on groundwater sources to mitigate environmental impacts like subsidence and flooding, there is a growing need for better purification processes to keep contaminants ...
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Gating the tides in yeast
Jun 16, 2009 |
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Water is a crucial ingredient for life, but its level inside cells must be carefully regulated to maintain proper cell shape and size. In this week's issue of the open access journal PLoS Biology, scientists from the Univer ...
Boosting the amount of energy obtained from water
Nov 18, 2009 |
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The energy generated in places where fresh water and salt water meet is known as blue energy. This is a relatively new but highly promising renewable energy source. Piotr Długołęcki of the University ...
Troubled Waters: Low Apalachicola River Flow May Hurt Gulf Fisheries
Jun 19, 2009 |
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(PhysOrg.com) -- Reductions in the flow of the Apalachicola River have far-reaching effects that could prove detrimental to grouper and other reef fish populations in the northeastern Gulf of Mexico, according to a new Florida ...
'Lab on a chip' to measure water stress in plants
Jul 07, 2009 |
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(PhysOrg.com) -- Fifteen years ago, when Alan Lakso first sought to enlist Cornell's nanofabrication laboratory to develop a tiny sensor that would measure water stress in grapevines, the horticultural sciences ...
Wind, current combined to raise E Coast sea level
Space & Earth / Earth Sciences
Aug 31, 2009 |
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(AP) -- Folks living along the East Coast were in higher water early this summer thanks to a change in the wind and current flow.
Water levels dropping in some major rivers as global climate changes
Space & Earth / Earth Sciences
Apr 21, 2009 |
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Rivers in some of the world's most populous regions are losing water, according to a new comprehensive study of global stream flow. The study, led by scientists at the National Center for Atmospheric Research ...
Progress Toward Artificial Cells
Aug 11, 2009 |
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(PhysOrg.com) -- In cosmetics, lipid vesicles, also known as liposomes, effectively transport ingredients through the skin. However, they are also used to encapsulate pharmaceuticals and release them at the intended point ...
Solving Teapot Effect
Nov 02, 2009 |
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(PhysOrg.com) -- A team of scientists from France have worked out why teapots dribble at low flow rates, and how to stop them. The effect is called the "teapot effect", and solving it could finally put an ...
Longfin smelt not endangered in California, regulators say
Apr 09, 2009 |
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Longfin smelt in the San Francisco Bay-Delta do not warrant protection under the federal endangered species law, regulators said Wednesday.
New insight into predicting cholera epidemics in the Bengal Delta
Nov 04, 2009 |
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Cholera, an acute diarrheal disease caused by the bacterium Vibrio cholerae, has reemerged as a global killer. Outbreaks typically occur once a year in Africa and Latin America. But in Bangladesh the epidemics occur twice ...
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