News tagged with candidate companion

Beta Pictoris planet finally imaged?

Nov 21, 2008 | 4.9 / 5 (16) | 1

(PhysOrg.com) -- The hot star Beta Pictoris is one of the best-known examples of stars surrounded by a dusty 'debris' disc. Debris discs are composed of dust resulting from collisions among larger bodies like ...

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Vampires and collisions rejuvenate stars

Space & Earth / Astronomy

Dec 23, 2009 | 4.4 / 5 (8) | 2

Stars in globular clusters are generally extremely old, with ages of 12-13 billion years. However, a small fraction of them appear to be significantly younger than the average population and, because they ...

Fish fatty acids don’t make you cleverer or happier

Medicine & Health / Health

Dec 22, 2009 | 3.5 / 5 (2) | 0

(PhysOrg.com) -- A diet rich in fish fatty acids has no effect on cognitive functions such as memory and concentration in the elderly. Nor does it affect their level of wellbeing. This is the conclusion drawn by Dutch researcher ...

Feds mull regulating drugs in water

Space & Earth / Environment

Dec 22, 2009 | 5 / 5 (1) | 0

(AP) -- Federal regulators under President Barack Obama have sharply shifted course on long-standing policy toward pharmaceutical residues in the nation's drinking water, taking a critical first step toward regulating some ...

Fossil shelved for a century reworks carnivore family tree

Other Sciences / Archaeology & Fossils

Dec 22, 2009 | 4.5 / 5 (8) | 4

More than a hundred years after its discovery, the limbs and vertebrae of a fossil have been pulled off the shelf at the American Museum of Natural History to revise the view of early carnivore lifestyles. ...

How do you improve mammogram accuracy? Add noise

Technology / Computer Sciences

Dec 22, 2009 | 5 / 5 (1) | 0

Members of a Syracuse University research team have shown that an obscure phenomenon called stochastic resonance (SR) can improve the clarity of signals in systems such as radar, sonar and even radiography, used in medical ...

Silicon technology offers extended X-ray vision of high-energy cosmos

Space & Earth / Space Exploration

Dec 21, 2009 | 5 / 5 (3) | 1

(PhysOrg.com) -- As elements of the integrated circuits running our computers, phones and electronics, silicon wafers are everywhere. An ESA-led effort is establishing an out-of-this-world use for these ...

A man walks his dog in the snow in the East Village

Polluting pets: the devastating impact of man's best friend

Space & Earth / Environment

Dec 21, 2009 | 1.7 / 5 (26) | 26

Man's best friend could be one of the environment's worst enemies, according to a new study which says the carbon pawprint of a pet dog is more than double that of a gas-guzzling sports utility vehicle.

Taming the flu: Researchers create map of interactions between flu virus and its human host

Biology / Cell & Microbiology

Dec 18, 2009 | 5 / 5 (1) | 0

(PhysOrg.com) -- There is no lack of worry this season over the flu, both the seasonal and H1N1 varieties, but there is a critical lack of understanding of the viruses that cause these illnesses. For years, ...

Physicists detect two candidate dark matter interactions, but say the data are not conclusive

Physics / General Physics

Dec 18, 2009 | 4.1 / 5 (16) | 6

(PhysOrg.com) -- Scientists have spent decades searching for the elusive material known as dark matter, which is believed to make up 25 percent of the universe. On Thursday, Dec. 17, a team of physicists including ...