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Biofuel carbon footprint not as big as feared, research says

Biofuel carbon footprint not as big as feared, research says

Space & Earth / Environment

created Jan 15, 2009 | popularity 2 / 5 (9) | comments 1

Publications ranging from the journal Science to Time magazine have blasted biofuels for significantly contributing to greenhouse gas emissions, calling into question the environmental benefits of making fuel ...


Process can cut the cost of making cellulosic biofuels

Chemistry /

created Jan 22, 2009 | popularity 4 / 5 (2) | comments 1

A patented Michigan State University process to pretreat corn-crop waste before conversion into ethanol means extra nutrients don't have to be added, cutting the cost of making biofuels from cellulose.


With cellulosic ethanol, there is no food vs. fuel debate according to MSU scientist

Chemistry /

created Mar 27, 2007 | popularity 4.6 / 5 (10) | comments 0

As more and more corn grain is diverted to make ethanol, there have been public concerns about food shortages. However, ethanol made from cellulosic materials instead of corn grain, renders the food vs. fuel debate moot, ...


Fuel from fiber -- Pretreatment can put corn stalks, trees in your car's tank

Chemistry /

created May 04, 2007 | popularity 4.8 / 5 (5) | comments 0

"Put a tree in your tank." Fuel companies aren't touting that slogan. At least not yet.


Scientific community called upon to resolve debate on 'net energy' once and for all

Technology / Energy

created Nov 07, 2008 | popularity 3.3 / 5 (13) | comments 6

"Net energy is a (mostly) irrelevant, misleading and dangerous metric," says Professor Bruce Dale, editor-in-chief of Biofuels, Bioresources and Biorefining (Biofpr) in the latest issue of the journal published today.


Net energy -- a useless, misleading and dangerous metric, says expert

Other Sciences / Other

created Aug 09, 2007 | popularity 4.2 / 5 (12) | comments 0

As oil becomes scarce, the world needs new transportation fuels. As new fuel options develop we need means of assessing which are most effective at replacing petroleum. So far many scientists have used a measure called ‘net ...


NASA proposes $17.6 billion budget

Space & Earth / Space Exploration

created Feb 05, 2008 | popularity 5 / 5 (1) | comments 0

U.S. space officials proposed spending $17.6 billion next year with a focus on the International Space Station and space shuttle programs.


Negligible impact on public safety from shark cage diving operations

Space & Earth / Environment

created Jul 15, 2009 | popularity not rated yet | comments 0

A study by five university researchers -- including four from the University of Hawaii at Manoa -- concludes that existing shark cage diving enterprises in Hawai'i have a negligible effect on public safety.


The Wiimote as an interface bridging mind and body

Medicine & Health / Psychology & Psychiatry

created Mar 05, 2008 | popularity 3.7 / 5 (14) | comments 0

The Nintendo Wii is an immensely popular source of videogame entertainment, but more recently, it has been adapted for a number of different uses, such as a tool for physical therapy and as a form of exercise for geriatri ...


NASA adds technologies Web feature

Space & Earth / Space Exploration

created Feb 26, 2008 | popularity 5 / 5 (1) | comments 0

The U.S. space agency has added an interactive program to its Web site, allowing users to discover some of the space technologies that now impact daily life.


Crop management strategies key to a healthy Gulf, planet

Space & Earth / Environment

created Apr 21, 2008 | popularity 5 / 5 (3) | comments 0

Improved management of crops and perennials could go a long way toward alleviating the problem of hypoxia, which claims thousands of fish, shrimp and shellfish in the Gulf of Mexico each spring.


Zebra Finches

Individuals vary their immune response according to age, sex and the costs

Biology /

created Sep 10, 2008 | popularity 5 / 5 (1) | comments 0

Is it always good to respond maximally when pathogens or disease strike, or should individuals vary their immune response to balance immediate and future costs? This is the question evolutionary physiologists ...


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YouTube to support 1080p high-definition videos

Technology / Internet

created Nov 13, 2009 | popularity 4.8 / 5 (4) | comments 0

(AP) -- YouTube says starting next week it will support the same high-resolution video that can now be seen on flat screen TVs.


Racial disparities persist in the treatment of lung cancer

Medicine & Health / Cancer

created Apr 13, 2009 | popularity not rated yet | comments 2

Black patients suffering from lung cancer are less likely to receive recommended chemotherapy and surgery than white lung cancer patients, a disparity that shows no signs of lessening. That is the conclusion of a new study ...


Ring closure as warning: New reagent for the detection of organophosphate neurotoxins with an extremely fast response

Chemistry / Analytical Chemistry

created Sep 16, 2009 | popularity 5 / 5 (2) | comments 0

(PhysOrg.com) -- Soman, Tabun, and Sarin (which has already been used in terrorist attacks) are chemical weapons that attack the nervous system. When inhaled, these extremely toxic organophosphates can lead to death within ...