Quantum computing: Entanglement may not be necessary
Dec 05, 2008 |
4.5 / 5 (63) |
13
(PhysOrg.com) -- It is a truth universally acknowledged that quantum computing must have entanglement.
Scientists Create Tough Ceramic That Mimics Mother of Pearl
Dec 05, 2008 |
4.5 / 5 (31) |
4
(PhysOrg.com) -- Biomimicry – technological innovation inspired by nature – is one of the hottest ideas in science but has yet to yield many practical advances. Time for a change. Scientists with the U.S. ...
Scientists drill holes through deadly bacteria's Kevlar-like hide
Biology /
Dec 05, 2008 |
4.5 / 5 (25) |
0
(PhysOrg.com) -- To protect themselves from human defenses, disease-causing bacteria have evolved a cell wall made from a nearly impenetrable tangle of tightly woven strands. That’s made it difficult for scientists ...
Happiness is infectious
Medicine & Health / Psychology & Psychiatry
Dec 05, 2008 |
4.3 / 5 (23) |
5
If you're happy and you know it, thank your friends—and their friends. And while you're at it, their friends' friends. But if you're sad, hold the blame. Researchers from Harvard Medical School and the University ...
Physical chemist imitates structures found in nature
Dec 05, 2008 |
4.6 / 5 (21) |
0
(PhysOrg.com) -- As a graduate student, Harvard physical chemist Joanna Aizenberg acquired a passionate curiosity about — of all things — sponges. She particularly liked the ones made of glass, whose apparent ...
The benefits of punishment
Dec 05, 2008 |
3.3 / 5 (20) |
5
(PhysOrg.com) -- The stick rather than the carrot could be a better approach to encouraging slacker colleagues to pull their weight in the workplace, research published in the prestigious journal Science has revealed.
Maintaining the brain's wiring in aging and disease
Dec 05, 2008 |
3.9 / 5 (16) |
1
Researchers at the Babraham Institute near Cambridge, supported by the Alzheimer's Research Trust and the Biotechnology and Biological Sciences Research Council (BBSRC), have discovered that the brain's circuitry survives ...
Free Electron Lasers and You: An LCLS Primer
Dec 05, 2008 |
4 / 5 (14) |
9
(PhysOrg.com) -- In a few short months, the Linac Coherent Light Source will start operation as the world's first hard X-ray free electron laser, pushing SLAC National Accelerator Laboratory to the frontier ...
Blight-resistant American chestnut trees nearing reality
Biology /
Dec 05, 2008 |
4.8 / 5 (10) |
1
(PhysOrg.com) -- The demise of the American chestnut is one of the great ecological disasters of our time, according to a chestnut expert in Penn State's College of Agricultural Sciences, who envisions a day ...
Metabolic reactions: Less is more in single-celled organisms
Biology /
Dec 05, 2008 |
4.4 / 5 (8) |
0
All single-celled organisms are not alike. Or are they? A Northwestern University study has found a surprising similarity among four quite different organisms. The simplest organism, a bacterium called H. pylori, uses the sa ...
Return of the Leonids
Space & Earth / Space Exploration
Dec 05, 2008 |
4.7 / 5 (7) |
0
Astronomers from Caltech and NASA say a strong shower of Leonid meteors is coming in 2009. Their prediction follows an outburst on Nov. 17, 2008, that broke several years of "Leonid quiet" and heralds even ...
Can Milk Help Prevent Transplant Rejections?
Dec 05, 2008 |
4.7 / 5 (7) |
0
(PhysOrg.com) -- Could Wisconsin's signature product – milk – hold the key to one of the biggest problems in organ transplantation?
Genetic ancestry of African-Americans reveals new insights about gene expression
Biology /
Dec 05, 2008 |
4.6 / 5 (7) |
0
The amount of proteins produced in cells—a fundamental determinant of biological outcomes collectively known as gene expression—varies in African American individuals depending on their proportion of African or European genetic ...
Some blood-system stem cells reproduce more slowly than expected
Biology /
Dec 05, 2008 |
4.8 / 5 (5) |
0
(PhysOrg.com) -- Investigators from Massachusetts General Hospital (MGH) have found a subpopulation of hematopoietic stem cells, the source of all blood and immune system cells, that reproduce much more slowly than previously ...
Robust watermarking offers hope against digital piracy
Technology / Computer Sciences
Dec 05, 2008 |
3.8 / 5 (6) |
0
(PhysOrg.com) -- Watermarks have been used for centuries to prove the authenticity of bank notes, postage stamps and documents. Now European researchers are considering them as a new tool in the fight against digital piracy ...
