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  Peptides control crystal growth with 'switches, throttles and brakes'

  Nanotechnology / Bio & Medicine
  6 hours ago | 5 / 5 (2) | 0 (PhysOrg.com) -- By producing some of the highest resolution images of peptides attaching to mineral surfaces, scientists have a deeper understanding how biomolecules manipulate the growth crystals. This research ...
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  Supervolcano eruption -- in Sumatra -- deforested India 73,000 years ago

  Space & Earth / Earth Sciences
  7 hours ago | 4.4 / 5 (5) | 0 A new study provides "incontrovertible evidence" that the volcanic super-eruption of Toba on the island of Sumatra about 73,000 years ago deforested much of central India, some 3,000 miles from the epicenter, ...
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  Machine Converts CO2 into Gasoline, Diesel, and Jet Fuel

  Chemistry / Biochemistry
  9 hours ago | 4.1 / 5 (11) | 9 (PhysOrg.com) -- Researchers at Sandia National Laboratories have built a machine that uses the sun's energy to convert carbon dioxide waste from power plants into transportation fuels such as gasoline, diesel, ...
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  Computational microscope peers into the working ribosome (w/ Video)

  Biology / Cell & Microbiology
  7 hours ago | 4.8 / 5 (5) | 0 Two new studies reveal in unprecedented detail how the ribosome interacts with other molecules to assemble new proteins and guide them toward their destination in biological cells. The studies used molecular ...
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  Spitzer Telescope Observes Baby Brown Dwarf

  Space & Earth / Astronomy
  4 hours ago | 4.8 / 5 (5) | 0 (PhysOrg.com) -- NASA's Spitzer Space Telescope has contributed to the discovery of the youngest brown dwarf ever observed -- a finding that, if confirmed, may solve an astronomical mystery about how these ...

Other news

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  Do kids benefit from homework?

  Other Sciences / Social Sciences
  1hour ago | not rated yet | 0 (PhysOrg.com) -- Homework is as old as school itself. Yet the practice is controversial as people debate the benefits or consider the shortcomings and hassles. Research into the topic is often contradictory ...
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  Just in time for Black Friday: students turn iPhone into barcode scanner

  Technology / Software
  2 hours ago | 4 / 5 (1) | 0 (PhysOrg.com) -- Comparing prices over the Internet has become a common practice for consumers. Now, just in time for Black Friday, a group of Missouri University of Science and Technology students is putting ...
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  The Crab Nebula: Energy for 100,000 Suns

  Space & Earth / Astronomy
  4 hours ago | 4.7 / 5 (3) | 0 (PhysOrg.com) -- A star's spectacular death in the constellation Taurus was observed on Earth as the supernova of 1054 A.D.
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  Friends go online at Foursquare to meet offline

  Technology / Internet
  4 hours ago | not rated yet | 0 (AP) -- Laura Fitton's ascent has been staggering: In less than a year, she's become mayor of nine different places in several different states, all without giving any speeches or kissing any babies.

• Smoking remains potent risk factor for death from heart disease, cancer

  Medicine & Health / Health
  4 hours ago | 1 / 5 (1) | 1 (PhysOrg.com) -- Smoking persists as a major risk factor for death from heart disease and cancer in adults who already have heart disease and receive good medical therapy, according to research reported in Circulation: Jo ...
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  HP's profit up 14 pct despite sales drop

  Technology / Business
  4 hours ago | not rated yet | 0 (AP) -- Hewlett-Packard Co.'s profit jumped 14 percent in the latest quarter, helped by cost-cutting and better results from its technology services division.
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  Feeling the way: Robotic device can help visually impaired people

  Technology / Engineering
  4 hours ago | not rated yet | 0 (PhysOrg.com) -- For many people, it has become routine to go online to check out a map before traveling to a new place. But for blind people, Google maps and other visual mapping applications are of little ...

• Drug ads ineffective for boosting sales, could cost taxpayers: study

  Medicine & Health / Health
  4 hours ago | not rated yet | 0 US Taxpayers may be on the hook for the high cost of drug advertising that does little to boost sales, according to a new study led by a University of British Columbia health policy researcher.

• Spider secrets decoded in world-first database

  Biology / Plants & Animals
  2 hours ago | not rated yet | 0 (PhysOrg.com) -- Queensland scientists have developed a world-first database that catalogues the venom components from hundreds of spiders.

• Moderate-to-heavy exercise may reduce risk of stroke for men

  Medicine & Health / Neuroscience
  5 hours ago | 5 / 5 (1) | 0 Men who regularly take part in moderate-to-heavy intensity exercise such as jogging, tennis or swimming may be less likely to have a stroke than people who get no exercise or only light exercise, such as walking, golfing, ...

• Scientist: Leak of climate e-mails appalling

  Space & Earth / Environment
  10 hours ago | 3 / 5 (7) | 7 (AP) -- A leading climate change scientist whose private e-mails are included in thousands of documents that were stolen by hackers and posted online said Sunday the leaks may have been aimed at undermining next month's ...
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  News Corp, Microsoft hold talks on Google: report

  Technology / Internet
  14 hours ago | 2.3 / 5 (4) | 4 Microsoft has held talks with Rupert Murdoch's News Corp over a possible plan for the software giant to pay the media company to remove its news websites from Google, a report said Monday.
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  A year after discovery, Congo's 'mother lode' of gorillas remains vulnerable

  Biology / Plants & Animals
  5 hours ago | not rated yet | 0 A new study by the Wildlife Conservation Society says that western lowland gorillas living in a large swamp in the Republic of Congo—part of the "mother lode" of more than 125,000 gorillas discovered last ...

• Children who lack continuity with a regular health care provider miss needed services

  Medicine & Health / Health
  5 hours ago | not rated yet | 0 Low-income children who don't access health care from the same place or provider over the long term are significantly more likely to have unmet health care needs compared with those do, according to a new study published ...

• Fox CEO wants US to join France on Internet piracy

  Technology / Internet
  10 hours ago | 2.7 / 5 (3) | 0 (AP) -- The chief executive of Fox Filmed Entertainment said Monday the U.S. should join France in cutting off the Internet connection of users who repeatedly download copyright-protected films.
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  Harnessing the power of salt, Norway tries osmotic power

  Technology / Energy
  14 hours ago | 3.3 / 5 (3) | 2 After wind, sun, currents and tides, a company is preparing to make clean electricity by harnessing another natural phenomenon, the energy-unleashing encounter of freshwater and seawater.

• 5-day delivery no sure cure for postal woes, economist says

  Other Sciences / Economics
  3 hours ago | not rated yet | 0 Scaling back mail delivery from six days a week to five may be the best bet to stem mounting U.S. Postal Service losses, but could still be a gamble, says a University of Illinois economist who has studied the agency's persistent ...
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  Gartner forecasts 2.8 percent growth in PC sales in 2009

  Technology / Business
  6 hours ago | not rated yet | 0 Worldwide sales of personal computers, which had been forecast to decline this year, will instead post modest gains, Gartner research group said Monday.
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  Google buying display ad startup Teracent

  Technology / Internet
  6 hours ago | not rated yet | 1 Google is acquiring Web display advertising startup Teracent, the Internet giant announced on Monday.
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  Straightening messy correlations with a quantum comb

  Physics / Quantum Physics
  6 hours ago | 4.7 / 5 (6) | 0 Quantum computing promises ultra-fast communication, computation and more powerful ways to encrypt sensitive information. But trying to use quantum states as carriers of information is an extremely delicate ...

• Researcher produces, ships only H1N1 vaccine available for swine

  Medicine & Health / Diseases
  6 hours ago | not rated yet | 0 The only swine vaccine available for the H1N1 virus has been sent to vaccinate a swine herd infected with the virus. The vaccination marks the first time vaccine has been sent to a swine herd diagnosed with the pandemic flu.
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  Cassini Sends Back Images of Enceladus as Winter Nears

  Space & Earth / Space Exploration
  3 hours ago | 4.5 / 5 (2) | 0 (PhysOrg.com) -- NASA's Cassini spacecraft has sailed seamlessly through the Nov. 21 flyby of Saturn's moon Enceladus and started transmitting uncalibrated temperature data and images of the rippling terrain. ...

• A mechanical model of vocalization

  Physics / General Physics
  3 hours ago | not rated yet | 0 When people speak, sing, or shout, they produce sound by pushing air over their vocal folds -- bits of muscle and tissue that manipulate the air flow and vibrate within it. When someone has polyps or some other problem with ...

• Consumers choose locally grown and environmentally friendly apples

  Other Sciences / Social Sciences
  7 hours ago | 1 / 5 (1) | 0 When asked to compare apples to apples, consumers said they would pay more for locally grown apples than genetically modified (GMO) apples. But in a second questionnaire consumers preferred GMO apples - that is, when they ...

• Indian engineer invents device to stop rampaging elephants

  Biology / Plants & Animals
  13 hours ago | 4.3 / 5 (3) | 0 An Indian inventor has created a device to stop rampaging elephants in their tracks, amid concern about human injuries and deaths when they run amok, his company said Monday.