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Black hole caught zapping galaxy into existence?

Black hole caught zapping galaxy into existence?

Space & Earth / Astronomy

created Nov 30, 2009 | popularity 4.8 / 5 (27) | comments 9

(PhysOrg.com) -- Which come first, the supermassive black holes that frantically devour matter or the enormous galaxies where they reside? A brand new scenario has emerged from a recent set of outstanding ...


Cepheid Variable Stars in Spiral Galaxy NGC 3021

Refined Hubble Constant narrows explanations for dark energy

Physics / General Physics

created May 07, 2009 | popularity 4.4 / 5 (25) | comments 12

Whatever dark energy is, explanations for it have less wiggle room following a Hubble Space Telescope observation that has refined the measurement of the universe's present expansion rate to a precision where ...


Beta Pictoris planet finally imaged?

Beta Pictoris planet finally imaged?

Space & Earth / Astronomy

created Nov 21, 2008 | popularity 4.9 / 5 (16) | comments 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 ...


Spherical Capsid

Image pinpoints all 5 million atoms in viral coat

Chemistry /

created Feb 16, 2009 | popularity 4.9 / 5 (15) | comments 2

(PhysOrg.com) -- If a picture is worth a thousand words, then Rice University's precise new image of a virus' protective coat is seriously undervalued. More than three years in the making, the image contains ...


New research shows how gene function drives natural selection in important class of genetic elements

New research shows how gene function drives natural selection in important class of genetic elements

Biology /

created Dec 10, 2008 | popularity 4.7 / 5 (15) | comments 0

Transposons are the Clark Kents of a genome. Apparently mild-mannered and inconsequential but with sudden bursts of activity, these free-floating bits of genetic material have for millions of years been sneaking ...


Will Kepler find habitable moons?

Will Kepler find habitable moons?

Space & Earth / Astronomy

created Sep 03, 2009 | popularity 5 / 5 (14) | comments 5

(PhysOrg.com) -- Since the launch of the NASA Kepler Mission earlier this year, astronomers have been keenly awaiting the first detection of an Earth-like planet around another star. Now, in an echo of science ...


Giant Galaxy Hosts the Most Distant Supermassive Black Hole

Giant Galaxy Hosts the Most Distant Supermassive Black Hole

Space & Earth / Astronomy

created Sep 02, 2009 | popularity 4.3 / 5 (15) | comments 26

(PhysOrg.com) -- University of Hawaii (UH) astronomer Dr. Tomotsugu Goto and colleagues have discovered a giant galaxy surrounding the most distant supermassive black hole ever found. The galaxy, so distant ...


First Solid Evidence for a Rocky Exoplanet

First Solid Evidence for a Rocky Exoplanet (w/ Video)

Space & Earth / Astronomy

created Sep 16, 2009 | popularity 4.6 / 5 (14) | comments 2

(PhysOrg.com) -- The longest set of HARPS measurements ever made has firmly established the nature of the smallest and fastest-orbiting exoplanet known, CoRoT-7b, revealing its mass as five times that of Earth's. ...


Cosmology's best standard candles get even better

Cosmology's best standard candles get even better

Space & Earth / Astronomy

created May 18, 2009 | popularity 4.7 / 5 (13) | comments 1

Members of the international Nearby Supernova Factory (SNfactory), a collaboration among the U.S. Department of Energy's Lawrence Berkeley National Laboratory, a consortium of French laboratories, and Yale ...


Researchers identify mechanism that helps bacteria avoid destruction in cells

Biology / Cell & Microbiology

created Oct 10, 2009 | popularity 4.6 / 5 (11) | comments 0

Infectious diseases currently cause about one-third of all human deaths worldwide, more than all forms of cancer combined. Advances in cell biology and microbial genetics have greatly enhanced understanding of the cause and ...


Tomato Psyllid

Graduate student discovers, names bacterium linked to psyllid yellows

Biology /

created Aug 12, 2008 | popularity 4.7 / 5 (9) | comments 0

To make a discovery and get to name it is just about every scientist's dream. For one graduate student at UC Riverside that dream already has come true.


Stellar Explosion Displays Massive Carbon Footprint

Space & Earth / Astronomy

created Jun 01, 2009 | popularity 4.2 / 5 (10) | comments 2

(PhysOrg.com) -- While humans are still struggling to get rid of unwanted carbon it appears that the heavens are really rather good at it. New research by astrophysicists at the University of Warwick has discovered that a ...


Maps Unveil the Source of Starburst Galaxy's Winds

Maps Unveil the Source of Starburst Galaxy's Winds

Space & Earth / Astronomy

created Nov 18, 2009 | popularity 5 / 5 (8) | comments 0

(PhysOrg.com) -- A research group at Kyoto University has discovered that shocks are the primary energy sources that excite the galactic wind region of starburst galaxy NGC 253. Their images of the center ...


Plant communication: Sagebrush engage in self-recognition and warn of danger

Plant communication: Sagebrush engage in self-recognition and warn of danger

Biology / Ecology

created Jun 19, 2009 | popularity 4.6 / 5 (8) | comments 4

"To thine own self be true" may take on a new meaning—not with people or animal behavior but with plant behavior.


Scientists identify human monoclonal antibodies effective against bird and seasonal flu viruses

Biology /

created Feb 22, 2009 | popularity 5 / 5 (7) | comments 1

Researchers at the Dana-Farber Cancer Institute, Burnham Institute for Medical Research and the Centers for Disease Control and Prevention have reported the identification of human monoclonal antibodies (mAb) that neutralize ...