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Inventor Doesn't Dare Say 'Perpetual Motion Machine'

Physics / General Physics

created Feb 07, 2008 | popularity 4.4 / 5 (264) | comments 52

Thane Heins knows the track record of inventors that claim to make breakthroughs in power generation methods, especially when they claim to defy the second law of thermodynamics. Every so often, a (usually ...


Million-Degree Plasma May Flow throughout the Galaxy

Million-Degree Plasma May Flow throughout the Galaxy

Physics / General Physics

created Feb 07, 2008 | popularity 4.5 / 5 (88) | comments 10

On a large scale, the Milky Way is considered to be a vast cold region punctured with isolated hot clouds and star clusters. While much of this space is cold and empty, researchers have recently discovered ...


Knee brace generates electricity from walking

Knee brace generates electricity from walking

Technology / Engineering

created Feb 07, 2008 | popularity 4.4 / 5 (34) | comments 2

A new energy-capturing knee brace can generate enough electricity from walking to operate a portable GPS locator, a cell phone, a motorized prosthetic joint or an implanted neurotransmitter, research involving ...


Scientists Produce Carbon Nanotubes Using Commercially Available Polymeric Resins

Scientists produce carbon nanotubes using commercially available polymeric resins

Nanotechnology / Nanomaterials

created Feb 07, 2008 | popularity 4.3 / 5 (30) | comments 1

Scientists at the Naval Research Laboratory (NRL) have successfully produced carbon nanotubes (CNTs) in high yields in bulk solid compositions using commercially available aromatic containing resins. The concentration ...


The trouble with hybrids: Hybrid electric vehicles not as green as they are painted

Technology / Other

created Feb 07, 2008 | popularity 4.2 / 5 (30) | comments 9

Hybrid electric vehicles that run on both conventional gasoline and stored electricity can be no more than a stop gap until more sustainable technology is developed, according to researchers in France. Writing in the Inderscience ...


A fruit a day may keep Alzheimer's away

Medicine & Health / Diseases

created Feb 07, 2008 | popularity 4.7 / 5 (25) | comments 0

Eating more apples, bananas and oranges just may help stave off such neurodegenerative diseases as Alzheimer's and Parkinson's, suggests a new Cornell study published online in the Journal of Food Science.


Study: Destroying native ecosystems for biofuel crops worsens global warming

Space & Earth / Environment

created Feb 07, 2008 | popularity 4.3 / 5 (27) | comments 0

Turning native ecosystems into “farms” for biofuel crops causes major carbon emissions that worsen the global warming that biofuels are meant to mitigate, according to a new study by the University of Minnesota and the Nature ...


First documented case of pest resistance to biotech cotton

First documented case of pest resistance to biotech cotton

Biology /

created Feb 07, 2008 | popularity 4.5 / 5 (21) | comments 2

A pest insect known as bollworm is the first to evolve resistance in the field to plants modified to produce an insecticide called Bt, according to a new research report. Bt-resistant populations of bollworm, ...


Shuttle Atlantis

Atlantis Begins Mission to the Space Station

Space & Earth / Space Exploration

created Feb 07, 2008 | popularity 4.4 / 5 (17) | comments 3

Space shuttle Atlantis and its seven-member crew lifted off at 2:45 p.m. EST on Thursday, Feb. 7 from NASA's Kennedy Space Center to begin the STS-122 mission to the International Space Station.


Wind patterns could mask effects of global warming in ocean

Space & Earth / Earth Sciences

created Feb 07, 2008 | popularity 3.5 / 5 (20) | comments 3

Scientists at the University of Liverpool have found that natural variability in the earth’s atmosphere could be masking the overall effect of global warming in the North Atlantic Ocean. The research is published in journal ...


Researchers give new hybrid vehicle its first test drive in the ocean

Space & Earth / Earth Sciences

created Feb 07, 2008 | popularity 4.5 / 5 (15) | comments 0

Taking a page out of a science fiction story, researchers from the Woods Hole Oceanographic Institution (WHOI) and Webb Research Corporation (Falmouth, Mass.) have successfully flown the first environmentally powered robotic ...


Scientists find how a protein binds to genes and regulates them across the human genome

PARP-1 rules! Scientists find how a protein binds to genes and regulates human genome

Biology /

created Feb 07, 2008 | popularity 4.6 / 5 (13) | comments 0

Out of chaos, control: Cornell University molecular biologists have discovered how a protein called PARP-1 binds to genes and regulates their expression across the human genome. Knowing where PARP-1 is located ...


Genome-wide survey nets key melanoma gene

Medicine & Health / Genetics

created Feb 07, 2008 | popularity 4.9 / 5 (12) | comments 0

One might call it a tale of two melanocytes. Given the same genetic mutation, why does one melanocyte shut down growth and become a relatively benign mole, while another rages out of control and develops into deadly melanoma?


New technique for treating blocked coronary arteries shows promise

Medicine & Health / Other

created Feb 07, 2008 | popularity 4.8 / 5 (11) | comments 0

George W. Vetrovec, M.D., chair of cardiology at the Virginia Commonwealth University Medical Center, known nationally for his study and treatment of coronary artery disease, says a new technique for treating blocked coronary ...


Scientists rebuild ancient proteins to reveal primordial Earth's temperature

Space & Earth / Earth Sciences

created Feb 07, 2008 | popularity 4.3 / 5 (12) | comments 0

Using the genetic equivalent of an ancient thermometer, a team of scientists has determined that the Earth endured a massive cooling period between 500 million and 3.5 billion years ago.




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