Astronomers Discover Link Between Supermassive Black Holes and Galaxy Formation
Feb 02, 2009 |
4.2 / 5 (18) |
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(PhysOrg.com) -- A pair of astronomers from Texas and Germany have used a telescope at The University of Texas at Austin's McDonald Observatory together with Hubble Space Telescope and many other telescopes ...
New evidence from excavations supports theory of the 'Birth of Zeus'
Other Sciences / Archaeology & Fossils
Feb 02, 2009 |
4.5 / 5 (12) |
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In the third century BCE, the Greek poet Callimachus wrote a 'Hymn to Zeus' asking the ancient, and most powerful, Greek god whether he was born in Arcadia on Mt. Lykaion or in Crete on Mt. Ida.
Scientists Develop First Chip-Scale Thermoelectric Cooler
Feb 02, 2009 |
4.4 / 5 (11) |
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(PhysOrg.com) -- As computer chips become more powerful, they also become hotter. Nearly all the power that flows into a chip comes out of it as waste heat, and that heat hurts the performance of the chip. ...
Neurobiologist proposes 'The end of sex as we once knew it'
Feb 02, 2009 |
4.1 / 5 (10) |
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(PhysOrg.com) -- Women are not from Venus any more than men are from Mars. But even though both sexes are perfectly terrestrial beings, they are not lacking in other differences. And not only in their reproductive organs ...
Shocking: Environmental chemistry affects ferroelectric film polarity the same way electric voltage does
Feb 02, 2009 |
4.2 / 5 (9) |
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(PhysOrg.com) -- “Ferroelectric materials are interesting scientifically, and, while they are used for some things now, they are potentially useful for even more applications in the future,” Brian Stephenson tells PhysOrg.com. Stephe ...
Can cannibalism fight infections?
Feb 02, 2009 |
4.6 / 5 (8) |
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Whenever humans create a new antibiotic, deadly bacteria can counter it by turning into new, indestructible super-bugs. That's why bacterial infection is the number one killer in hospitals today. But new research ...
Super-resolution microscopy takes on a third dimension
Feb 02, 2009 |
4.5 / 5 (8) |
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The shapes of some of the tiniest cellular structures are coming into sharper focus at the Howard Hughes Medical Institute's Janelia Farm Research Campus, where scientists have developed a new imaging technology that produces ...
Phytoplankton cell membranes challenge fundamentals of biochemistry
Feb 02, 2009 |
4.7 / 5 (7) |
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Get ready to send the biology textbooks back to the printer. In a new paper published in Nature, Benjamin Van Mooy, a geochemist with the Woods Hole Oceanographic Institution (WHOI) and his colleagues report that microscopic plants ...
Targeted nanospheres find, penetrate, then fuel burning of melanoma
Nanotechnology / Bio & Medicine
Feb 02, 2009 |
4.6 / 5 (7) |
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Hollow gold nanospheres equipped with a targeting peptide find melanoma cells, penetrate them deeply, and then cook the tumor when bathed with near-infrared light, a research team led by scientists at The University of Texas ...
What are you looking at?
Biology /
Feb 02, 2009 |
4.1 / 5 (7) |
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(PhysOrg.com) -- Why do we look when another person looks? Are we looking for objects of interest or perhaps a warning of impending danger? Or are we just plain nosey? Human tendency to follow another person's ...
Climate change may be stoking stronger winds, altered oceans
Feb 02, 2009 |
2.8 / 5 (10) |
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The specter of an ocean floor littered with dead shellfish, rock fish, sea stars and other marine life off the Oregon coast spurred Mark Snyder, a climate change expert, to investigate whether California's coast faced a similar ...
Slow Down -- Those Lines On The Road Are Longer Than You Think
Medicine & Health / Psychology & Psychiatry
Feb 02, 2009 |
2.8 / 5 (10) |
3
Take a guess -- how long are the dashed lines that are painted down the middle of a road? If you're like most people, you answered, "Two feet."
Scientists eye risks of quantum dots
Nanotechnology / Bio & Medicine
Feb 02, 2009 |
4.3 / 5 (6) |
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Quantum dots have the potential to bring many good things into the world: efficient solar power, targeted gene and drug delivery, solid-state lighting and advances in biomedical imaging among them.
Insulin is a possible new treatment for Alzheimer's
Feb 02, 2009 |
5 / 5 (5) |
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A Northwestern University-led research team reports that insulin, by shielding memory-forming synapses from harm, may slow or prevent the damage and memory loss caused by toxic proteins in Alzheimer's disease.
Research Team Finds Evidence Cacao Ritually Used in Chaco Canyon
Other Sciences / Archaeology & Fossils
Feb 02, 2009 |
3.6 / 5 (7) |
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(PhysOrg.com) -- Inhabitants of Chaco Canyon apparently drank chocolate from cylinders like these about a thousand years ago. That’s the finding in a paper published this week by PNAS, a publication of the ...
