Location: Virginia, United States
When studying cold atoms, scientists often use magnetic or optical traps to keep
the atoms in place. However, in some cases experimentalists want to study free
atoms, avoiding the effects of a trap. "One way to study free atoms,"...
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Location: Maryland, United States
By analyzing the genetic differences between more than 3 000 people across
Africa and from other parts of the world, researchers have shown how the current
African populations had evolved from 14 aboriginal groups. The result of their...
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Location: Minnesota, United States
Genetically engineering plants is a time-intensive process. Methods currently
used to deliver genetic changes are imprecise, so it's often necessary to
generate thousands of plants to find one that happens to have the desired
alteration....
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Location: Bonn, Germany
Scientists from the Max Planck Institute for Radio Astronomy (MPIfR) in Bonn,
Germany, Cornell University, USA, and the University of Cologne, Germany, have
detected two of the most complex molecules yet discovered in interstellar space:...
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Location: Heidelberg, Germany
Researchers in Heidelberg discover new protein that is suppressed in
particularly aggressive cancer cell.
If cancer cells lack a certain protein, it could be much easier for them to
penetrate healthy body tissue, the first step...
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Location: Miami, United States
Seawater is a complex, dynamic mixture of dissolved minerals, salts, and
organic materials that despite scientists best efforts, presents difficulties in
measuring its potential to contain and disperse energy. Like the water itself,
the...
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Location: British Columbia, Canada
In the first demonstration of its kind, researchers at the University of British Columbia have controlled the spin of electrons using a ballistic technique--bouncing electrons through a microscopic channel of precisely
constructed,...
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Location: Paris, France
A few seconds after the earthquake that devastated L'Aquila, in Abruzzo, a group
of seismologists, south of Paris, already knew that a quake of earth had to
produce. Their instruments? The Web. Seismologists? Witnesses themselves. To...
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Location: California, United States
Sunlight is a major source of energy, from photovoltaics and solar-thermal
units to biofuels and water-splitting. But all these technologies require
intermediate steps and infrastructure to turn the sun's rays into something that
can be...
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Location: NY, United States
A new research discovery at Rensselaer Polytechnic Institute could lead to
tougher, more durable composite frames for aircraft, watercraft, and
automobiles.
Epoxy composites are increasingly being incorporated into the design of...
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Location: London, United Kingdom
The National Physical Laboratory (NPL) has developed the first sensor capable
of measuring localized ultrasonic cavitation – the implosion of bubbles in a
liquid when a high frequency sound wave is applied. The sensor will help...
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Location: McGill University, Canada
McGill University researchers have successfully amplified light with
so-called "colloidal quantum dots," a technology that had been written off by
many as a dead-end.
Over the last 15 years, repeated quantum dot...
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Location: Harvard, United States
Investigators from the Harvard School of Public Health and the University of
Puerto Rico asked "Is there a prospective association between obesity and
periodontal disease?"
They evaluated the association between...
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Location: New York, United States
Chemists at New York University and Harvard University have created a
bipedal, autonomous DNA "walker" that can mimic a cell's transportation system.
The device, which marks a step toward more complex synthetic molecular motor
systems, is...
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Location: Massachusetts, United States
A miniature telescope implanted into the eye could soon help people with
vision loss from end-stage macular degeneration. Last week, an advisory panel
for the Food and Drug Administration unanimously recommended that the agency
approve...
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Location: Stockholm, Sweden
The human heart has a notorious reputation for being unable to heal itself,
but new research suggests it is capable of at least some self-repair. Using
carbon dating to gauge the age of heart cells, scientists have found that low
numbers...
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Location: Carnegie, United States
The single-celled green alga Chlamydomonas reinhardtii generates hydrogen by
fermentation under low oxygen conditions. Cells in photo are stained with
fluorescent dyes. Purple indicates DNA, green indicates flagella.
...
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Location: Illinois, United States
Chemists at the University of Illinois have created a simple and inexpensive
molecular technique that replaces an expensive atomic force microscope for
studying what happens to small molecules when they are stretched or compressed.
...
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Location: Massachusetts, United States
A revolutionary approach to the design of consumer products - from
automobiles to plasma TVs - could cut manufacturers' warranty costs
significantly. Writing in a forthcoming issue of the International Journal of
Six Sigma and Competitive...
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Location: University of Utah, United States
University of Utah scientists devised a new way to find miners trapped by
cave-ins. The method involves installing iron plates and sledgehammers at
regular intervals inside mines, and sensitive listening devices on the ground...
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