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News tagged with water flow

First rainforests arose when plants solved plumbing problem

A team of scientists, including several from the Smithsonian Institution, discovered that leaves of flowering plants in the world's first rainforests had more veins per unit area than leaves ever had before. ...

Biology / Plants & Animals

created May 03, 2011 | popularity 4.8 / 5 (9) | comments 0 | with audio podcast

MRI zooms in on microscopic flow (w/ Video)

(PhysOrg.com) -- MRI images of water flow through a constricted microfluidic channel with the XZ axis on the left and the YZ axis on the right. Note that fast moving components directly aligned with the constricted ...

Chemistry / Analytical Chemistry

created Oct 07, 2010 | popularity 5 / 5 (1) | comments 1 | with audio podcast

Hydrokinetic proposal for Mississippi river

(PhysOrg.com) -- Everyone is looking for alternative forms of energy, and one company proposes to generate electricity from the flow of the river Mississippi in the US, without using dams to control the water ...

Technology / Energy & Green Tech

created Mar 23, 2010 | popularity 4.5 / 5 (12) | comments 10 | with audio podcast report

Membrane filters are key to future of public water supply, scientists say

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 ...

Chemistry / Other

created Apr 21, 2009 | popularity 4.4 / 5 (5) | comments 0

How the Pacific Ocean leaks (w /Video)

A state-of-the-art ocean model has been used in a new study to conduct the first detailed investigation of oceanic water flow between the Pacific and Indian Oceans via the south of Australia. 

Space & Earth / Earth Sciences

created Apr 17, 2012 | popularity 5 / 5 (1) | comments 0 | with audio podcast

Jumping droplets take a lot of heat

Microscopic water droplets jumping from one surface to another may hold the key to a wide array of more energy efficient products, ranging from large solar panels to compact laptop computers.

Physics / General Physics

created Dec 12, 2011 | popularity 5 / 5 (6) | comments 0 | with audio podcast

La Nina brings flood risks and drought to the West

The winter and early spring have been extreme across the West, with record snowpacks bringing joy to skiers and urban water managers but severe flood risks to northern Utah, Wyoming and Montana.

Space & Earth / Earth Sciences

created May 09, 2011 | popularity not rated yet | comments 0

New path to water efficient seeds opens as TIP pips PIP as water gatekeeper

Research by University of Warwick's School of Life Sciences has opened up a new path to produce water efficient seeds that will be a significant tool to cope with drought resistance, and ensure global food ...

Biology / Cell & Microbiology

created Feb 24, 2011 | popularity not rated yet | comments 0 | with audio podcast

Faster water flow means greater diversity of invertebrate marine life

One of biggest factors promoting the diversity of coastal ocean life is how fast the water flows, according to new research by ecologists at Brown University. Experiments and observation in Palau, Alaska, ...

Biology / Ecology

created Nov 17, 2010 | popularity 5 / 5 (1) | comments 1 | with audio podcast

Water levels dropping in some major rivers as global climate changes

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 ...

Space & Earth / Earth Sciences

created Apr 21, 2009 | popularity 4.3 / 5 (20) | comments 0

Turning the tide to energy

NASA researchers who developed a new way to power robotic underwater vehicles believe a spin-off technology could help convert ocean energy into electrical energy on a much larger scale. The researchers hope ...

Technology / Engineering

created Mar 06, 2009 | popularity 3.3 / 5 (23) | comments 6

New research on seaweeds shows it takes more than being flexible to survive crashing waves

Seaweeds are important foundational species that are vital both as food and habitat to many aquatic and terrestrial shore organisms. Yet seaweeds that cling to rocky shores are continually at risk of being ...

Biology / Ecology

created May 10, 2012 | popularity not rated yet | comments 0

The desert Southwest: Oasis or mirage?

(Phys.org) -- The American West has a drinking problem. On farms and in cities, we are guzzling water at an alarming rate.

Space & Earth / Environment

created May 09, 2012 | popularity 4 / 5 (7) | comments 8

Threats to freshwater mussels and the consequences for ecosystems

At the University of Oklahoma's Aquatic Research Facility in Norman, zoologist Caryn Vaughn shows off freshwater mussels that she's recently collected from rivers in the southeastern part of the state. One river alone may ...

Biology / Ecology

created Mar 13, 2012 | popularity not rated yet | comments 0

War on willows

Willows are major environmental weeds of riverbank habitats across much of south-eastern Australia. They obstruct water flow, increase water temperature, change water chemistry and can displace native riverine ...

Biology / Ecology

created Jul 29, 2011 | popularity 3 / 5 (2) | comments 0