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Archive: 04/18/2007

'Van Gogh' simulations give new insight into turbulent stars

Stunning simulations that give a multi-dimensional glimpse into the interior of stars show that material bubbling around the convection zone induces a rich spectrum of internal gravity waves in the stable layers above and ...

Space & Earth / Astronomy

created Apr 18, 2007 | popularity 4.2 / 5 (5) | comments 0

White dwarf and ultra-cool dwarf keep their distance

Scientists from the University of Hertfordshire have discovered a rare binary system consisting of a white dwarf, a Sun-like star that has reached the end of its life, and an ultra-cool dwarf, which is the smallest kind of ...

Space & Earth / Astronomy

created Apr 18, 2007 | popularity 3.8 / 5 (5) | comments 0

Racing neurons control whether we stop or go

In the children's game "red light green light," winners are able to stop, and take off running again, more quickly than their comrades. New research reveals that a similar race goes on in our brains, with ...

Medicine & Health / Psychology & Psychiatry

created Apr 18, 2007 | popularity 4.7 / 5 (19) | comments 0

Brown Dwarfs Beaming Like Pulsars

Brown dwarfs, thought just a few years ago to be incapable of emitting any significant amounts of radio waves, have been discovered putting out extremely bright "lighthouse beams" of radio waves, much like ...

Space & Earth / Astronomy

created Apr 18, 2007 | popularity 4.4 / 5 (14) | comments 0

Astronomers Map Out Planetary Danger Zone

Astronomers have laid down the cosmic equivalent of yellow "caution" tape around super hot stars, marking the zones where cooler stars are in danger of having their developing planets blasted away.

Space & Earth / Astronomy

created Apr 18, 2007 | popularity 4.3 / 5 (17) | comments 0

New Undersea Vent Suggests Snake-Headed Mythology

A new "black smoker" -- an undersea mineral chimney emitting hot, iron-darkened water that attracts unusual marine life -- has been discovered at about 8,500 feet underwater by an expedition currently exploring ...

Space & Earth / Earth Sciences

created Apr 18, 2007 | popularity 3.7 / 5 (9) | comments 0

Robotic surgeon to team up with doctors, astronauts on NASA mission

This week Raven, the mobile surgical robot developed by the University of Washington, leaves for the depths of the Atlantic Ocean. The UW will participate in NASA's mission to submerge a surgeon and robotic ...

Medicine & Health / Other

created Apr 18, 2007 | popularity 5 / 5 (2) | comments 0

Probing the inner secrets of multi-layer carbon nanotubes

Researchers at the University of Surrey have shown for the first time that knowing the structure of the surface layer of a multi-layer carbon nanotube is not enough to predict its electronic properties. The contribution of ...

Nanotechnology / Nanophysics

created Apr 18, 2007 | popularity 3.8 / 5 (6) | comments 0

Scientists to track impact of Asian dust and pollution on clouds, weather, climate change

Scientists using the nation's newest and most capable aircraft for environmental research are launching a far-reaching field project this month to study plumes of airborne dust and pollutants that originate ...

Space & Earth / Earth Sciences

created Apr 18, 2007 | popularity 4.2 / 5 (5) | comments 0

Common algae helps illustrate mammalian brain electrical circuitry

Mice whose brain cells respond to a flash of light are providing insight into the complexities of the sense of smell and may ultimately yield a better understanding of how the human brain works.

Medicine & Health / Research

created Apr 18, 2007 | popularity 5 / 5 (2) | comments 0

New method to directly probe the quantum collisions of individual atoms

The first demonstration of a fundamentally new method for measuring a particular quantum property of individual atoms will be described in a research paper to be published in the 19 April 2007 edition of the ...

Physics / General Physics

created Apr 18, 2007 | popularity 4.8 / 5 (26) | comments 0

Scientists unlock secret of what makes plants flower

A protein acting as a long-distance signal from leaf to shoot-tip tells plants when to flower, says new research published in Science Express on Thursday 19 April 2007.

Biology /

created Apr 18, 2007 | popularity 3.7 / 5 (19) | comments 0

Mystery of fossilized trees is solved

An international research team has found evidence of the Earth's earliest forest trees, dating back 385 million years.

Space & Earth / Earth Sciences

created Apr 18, 2007 | popularity 4 / 5 (21) | comments 0

How the brain copes with shifty eyeballs

Neurobiologists have pinpointed brain regions critical to one of the brain’s more remarkable feats—piecing together a continuous view of the world by integrating snippets of visual input from constantly moving eyes. Since ...

Medicine & Health / Research

created Apr 18, 2007 | popularity 4.6 / 5 (5) | comments 0

Scientists identify genes activated during learning and memory

Researchers have long recognized that for learning and memory to take place, certain genes must be activated to alter neuron activity inside the brain. Disruptions in normal gene expression within these neurons can lead to ...

Medicine & Health / Research

created Apr 18, 2007 | popularity 4.8 / 5 (4) | comments 0