Entanglement Swapping: A New Quantum Trick
Oct 11, 2007 |
4.7 / 5 (69) |
2
In an important step for the infant field of quantum communications, researchers from the University of Geneva in Switzerland have, for the first time, realized an “entanglement swapping” experiment with photon pairs emitted ...
Testing Einstein: Is Dark Energy Constant?
Oct 11, 2007 |
4.4 / 5 (43) |
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Nearly a decade ago, astronomers discovered the surprising existence of dark energy-a mysterious force that pushes galaxies apart and accelerates the expansion of the universe. Also known as the energy density of the vacuum, ...
The benefits of 80 million years without sex
Biology /
Oct 11, 2007 |
4.3 / 5 (36) |
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Scientists have discovered how a microscopic organism has benefited from nearly 80 million years without sex.
Astronomers find most powerful supernova
Oct 11, 2007 |
4.6 / 5 (28) |
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Astronomer Robert Quimby has again found the most luminous supernova. Quimby discovered the current record holder, supernova 2006gy, last year as part of his Texas Supernova Search project. Now he has announced ...
Rejection sets off alarms for folks with low self-esteem
Medicine & Health / Psychology & Psychiatry
Oct 11, 2007 |
4.2 / 5 (28) |
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Few can tolerate such romantic or professional rebuffs as "It's not you, it's me" and "we regret to inform you that your application was not successful." But while a healthy dose of self-esteem can absorb ...
New Finding Opens Path for Designing Novel Complex Oxide Nanomaterials
Oct 11, 2007 |
4.8 / 5 (24) |
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A University of Arkansas researcher and his colleagues have found a novel way to "look" at atomic orbitals, and have directly shown for the first time that they change substantially when interacting at the ...
Ice age not a global phenomenon: study
Space & Earth / Earth Sciences
Oct 11, 2007 |
4.7 / 5 (24) |
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If the Earth is heading for a new ice age, Australia may not be as affected as countries in the Northern Hemisphere, according to new research from The Australian National University published today in Science.
New Quantum Dot Transistor Counts Individual Photons
Oct 11, 2007 |
4.5 / 5 (23) |
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A transistor containing quantum dots that can count individual photons (the smallest particles of light) has been designed and demonstrated at the National Institute of Standards and Technology.
Red wine and grape juice help defend against food-borne diseases
Oct 11, 2007 |
4.3 / 5 (24) |
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Red wine is known to have multiple health benefits. Researchers at the University of Missouri-Columbia have found that red wine may also protect humans from common food-borne diseases.
Are we asking the wrong questions about global warming?
Oct 11, 2007 |
3.8 / 5 (26) |
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Public discussion over global warming is often caught in a vortex of misinformation perpetuated by extreme forces who say it’s all just a big hoax.
MIT finds new hearing mechanism
Oct 11, 2007 |
4.4 / 5 (20) |
1
MIT researchers have discovered a hearing mechanism that fundamentally changes the current understanding of inner ear function. This new mechanism could help explain the ear's remarkable ability to sense and discriminate ...
New membrane strips carbon dioxide from natural gas faster and better
Oct 11, 2007 |
4.4 / 5 (20) |
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A modified plastic material greatly improves the ability to separate global warming-linked carbon dioxide from natural gas as the gas is prepared for use, according to engineers at The University of Texas ...
Giant Atmospheric Waves Over Iowa
Space & Earth / Earth Sciences
Oct 11, 2007 |
4.5 / 5 (17) |
0
Pop quiz: define undular bore. If your answer included words such as dull or tiresome, i.e., boring, think again. Or better yet, click on the image below to see an undular bore in action.
A Tiny Pinch from a 'Z-Ring' Helps Bacteria Cells Divide
Biology /
Oct 11, 2007 |
4.6 / 5 (14) |
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In process that is shrouded in mystery, rod-shaped bacteria reproduce by splitting themselves in two. By applying advanced mathematics to laboratory data, a team led by Johns Hopkins researchers has solved ...
X-Effect: Female Chromosome Confirmed a Prime Driver of Speciation
Biology /
Oct 11, 2007 |
4.3 / 5 (14) |
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Researchers at the University of Rochester believe they have just confirmed a controversial theory of evolution. The X chromosome is a strikingly powerful force in the origin of new species.
