Biofuels could increase global warming with laughing gas, says Nobel prize-winning chemist
Sep 21, 2007 |
4.4 / 5 (59) |
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Growing and burning many biofuel crops may actually raise, rather than lower, greenhouse gas emissions. That’s the conclusion of a new study led by Nobel prize-winning chemist Paul Crutzen, best known for his work on the ...
Imaging Quantum Entanglement
Sep 21, 2007 |
4.5 / 5 (52) |
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An international team including scientists from the London Centre for Nanotechnology (LCN) today publishes findings in the journal Proceedings of the National Academy of Sciences demonstrating the dramatic effect ...
New method extracts neutrons from superfluid helium
Sep 21, 2007 |
4.6 / 5 (33) |
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“There are many applications for ultracold neutrons in fundamental physics,” Oliver Zimmer tells PhysOrg.com. “And we will find even more applications with a stronger source of ultracold neutrons.” Zimmer, a scientist at the ...
A Better Definition for the Kilogram? Scientists Propose a Precise Integer Number of Carbon Atoms
Sep 21, 2007 |
4.6 / 5 (23) |
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How much is a kilogram? It turns out that nobody can say for sure, at least not in a way that won’t change ever so slightly over time. The official kilogram – a cylinder cast 118 years ago from platinum and ...
Mars Reconnaissance Orbiter Provides Insights About Mars Water
Space & Earth / Space Exploration
Sep 21, 2007 |
4.2 / 5 (21) |
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NASA's Mars Reconnaissance Orbiter (MRO) is examining several features on Mars that address the role of water at different times in Martian history.
Mass Spectrometry of Living Subjects
Sep 21, 2007 |
4.6 / 5 (16) |
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In science fiction movies, it happens all the time: A small device is briefly held against the skin of a sick crewmember and seconds later the monitor displays what ails him. This futuristic image could someday be real.
Amazon forest shows unexpected resiliency during drought
Space & Earth / Earth Sciences
Sep 21, 2007 |
4.2 / 5 (16) |
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Drought-stricken regions of the Amazon forest grew particularly vigorously during the 2005 drought, according to new research.
Odyssey Finds Possible Cave Skylights on Mars
Space & Earth / Space Exploration
Sep 21, 2007 |
4.7 / 5 (14) |
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NASA's Mars Odyssey spacecraft has discovered entrances to seven possible caves on the slopes of a Martian volcano. The find is fueling interest in potential underground habitats and sparking searches for ...
Is there really a 'mommy' gene in women?
Sep 21, 2007 |
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Basic principles of biology rather than women’s newfound economic independence can explain why fewer of them are getting married and having children, and why the trend may only be temporary, says a Queen’s researcher.
Pleasant odors perceived the same by different cultures
Sep 21, 2007 |
4.4 / 5 (8) |
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Chinese, Africans and Indians may differ in what odors they find yummy, but they all perceive pleasantness in the same way, according to the findings of neurobiologists from the University of California, Berkeley, ...
Brain atrophy in elderly leads to unintended racism, depression and problem gambling
Medicine & Health / Psychology & Psychiatry
Sep 21, 2007 |
3.9 / 5 (9) |
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As we age, our brains slowly shrink in volume and weight. This includes significant atrophy within the frontal lobes, the seat of executive functioning. Executive functions include planning, controlling, and inhibiting thought ...
Computer program traces ancestry using anonymous DNA samples
Sep 21, 2007 |
4.7 / 5 (6) |
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A group of computer scientists, mathematicians, and biologists from around the world have developed a computer algorithm that can help trace the genetic ancestry of thousands of individuals in minutes, without ...
Cambridge makes music from 'dark energy'
Sep 21, 2007 |
4 / 5 (7) |
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An invisible force so mysterious that it has yet to be understood by even the most eminent astronomers is being turned into music at a new Cambridge University exhibition.
Are these indecent exposure laws a fad or are they here to stay?
Sep 21, 2007 |
3.9 / 5 (7) |
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A growing number of cities have enacted laws that would make wearing saggy or low-slung pants indecent exposure. "It's an interesting question whether these laws would violate the First Amendment as currently ...
Growth hormone could promote cancer, according to new research
Sep 21, 2007 |
3.8 / 5 (4) |
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Growth hormone and associated proteins could be responsible for promoting many types of cancer, including breast and prostate cancer, according to an Australian researcher.
