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Pores finding reveals targets for cancer and degenerative disease

Pores finding reveals targets for cancer and degenerative disease

Medicine & Health / Cancer

created Dec 18, 2009 | popularity 5 / 5 (1) | comments 0

Walter and Eliza Hall Institute scientists have identified a key step in the biological process of programmed cell death, also called apoptosis.


Studying how black holes grow

Studying how black holes grow

Space & Earth / Space Exploration

created Dec 17, 2009 | popularity 5 / 5 (2) | comments 1

Black holes are some of the most exotic objects in the universe. They are the final evolutionary stage of giant stars much larger than the sun. When these stars explode, their cores collapse down to the size ...


Proposed Spacetime Structure Could Provide Hints for Quantum Gravity Theory

Proposed Spacetime Structure Could Provide Hints for Quantum Gravity Theory

Physics / Quantum Physics

created Dec 16, 2009 | popularity 4.6 / 5 (55) | comments 16 feature

(PhysOrg.com) -- Spacetime, which consists of three dimensions of space and one time dimension, is such a large, abstract concept that scientists have a very difficult time understanding and defining it. Moreover, ...


Black Holes in Star Clusters stir up Time and Space

Black Holes in Star Clusters stir up Time and Space (w/ Video)

Space & Earth / Astronomy

created Dec 16, 2009 | popularity 4.8 / 5 (16) | comments 6

(PhysOrg.com) -- Within a decade scientists could be able to detect the merger of tens of pairs of black holes every year, according to a team of astronomers at the University of Bonn’s Argelander-Institut ...


Close-up photos of dying star show our sun's fate

Close-up photos of dying star show our sun's fate (w/ Video)

Space & Earth / Astronomy

created Dec 15, 2009 | popularity 5 / 5 (21) | comments 5

(PhysOrg.com) -- About 550 light-years from Earth, a star like our Sun is writhing in its death throes. Chi Cygni has swollen in size to become a red giant star so large that it would swallow every planet ...


Theorists propose a new way to shine -- and a new kind of star

Physics / General Physics

created Dec 14, 2009 | popularity 4.5 / 5 (12) | comments 4

Dying, for stars, has just gotten more complicated. For some stellar objects, the final phase before or instead of collapsing into a black hole may be what a group of physicists is calling an electroweak star.


Scientists observe super-massive black holes using Keck Observatory in Hawaii

Scientists observe super-massive black holes using Keck Observatory in Hawaii

Space & Earth / Astronomy

created Dec 10, 2009 | popularity 5 / 5 (8) | comments 3

An international team of scientists has observed four super-massive black holes at the center of galaxies, which may provide new information on how these central black hole systems operate. Their findings ...


Galaxy Collision Switches on Black Hole

Galaxy Collision Switches on Black Hole

Space & Earth / Astronomy

created Dec 10, 2009 | popularity 4.5 / 5 (4) | comments 1

(PhysOrg.com) -- This composite image of data from three different telescopes shows an ongoing collision between two galaxies, NGC 6872 and IC 4970.


Suzaku catches retreat of a black hole's disk

Suzaku catches retreat of a black hole's disk

Space & Earth / Astronomy

created Dec 10, 2009 | popularity 4.5 / 5 (16) | comments 2

(PhysOrg.com) -- Studies of one of the galaxy's most active black-hole binaries reveal a dramatic change that will help scientists better understand how these systems expel fast-moving particle jets.


Fermi sees brightest-ever blazar flare

Fermi sees brightest-ever blazar flare

Space & Earth / Astronomy

created Dec 09, 2009 | popularity 4.4 / 5 (10) | comments 3

(PhysOrg.com) -- A galaxy located billions of light-years away is commanding the attention of NASA's Fermi Gamma-ray Space Telescope and astronomers around the globe. Thanks to a series of flares that began ...


RIT astronomer mines Spitzer Space Telescope data for massive starbursts

Space & Earth / Astronomy

created Dec 08, 2009 | popularity 4.3 / 5 (3) | comments 0

Understanding the evolution of galaxies is one of the biggest questions confronting astronomers today. Looking at distant astronomical objects gives scientists important clues to the origins of the Milky Way Galaxy and other ...


Scientists Generate Black Hole Radiation in the Lab

Scientists Generate Black Hole Radiation in the Lab

Physics / Plasma Physics

created Dec 07, 2009 | popularity 4.2 / 5 (32) | comments 9 feature

(PhysOrg.com) -- Due to their violent nature and long distance from Earth, black holes and their surroundings are very difficult to study. Currently, the main method to observe a black hole is to use an X-ray ...


Gift Guide: High-tech happiness for $100 or less (AP)

Gift Guide: High-tech happiness for $100 or less

Electronics / Consumer & Gadgets

created Dec 04, 2009 | popularity not rated yet | comments 0

(AP) -- No one's going to blame you for keeping holiday gifts minimal this year. But if you want to round out your handmade cards, scarves, pickles and jam with a gadget or gizmo, here are a handful of our ...


A Superbright Supernova That’s the First of Its Kind

A Superbright Supernova That’s the First of Its Kind

Space & Earth / Astronomy

created Dec 02, 2009 | popularity 4.7 / 5 (24) | comments 6

(PhysOrg.com) -- An extraordinarily bright, extraordinarily long-lasting supernova named SN 2007bi, snagged in a search by a robotic telescope, turns out to be the first example of the kind of stars that first ...


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 ...