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  Science News
  February 12, 2006

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Quantum gravity for real - PhysicsWeb  Indian physicists have put forward a new way to test for "quantum gravity" -- the field of theoretical physics that attempts to reconcile Einstein's theory of general relativity and quantum mechanics. If successful, the test -- which is based on "loop quantum gravity" -- would be the first ever experimental evidence for quantum gravity. The experiment involves observing a dying star dimming briefly at the end of its life, rather than undergoing a "naked singularity" to create an ultra-dense fireball (Phys. Rev. Lett 96 031302). Physicists expect that quantum gravity would modify Einstein's theory near the singularity so that it is not formed at all.     
Potentially Harmful 'Undead Cells' Collect with Age - Live Science  Earlier studies suggested that senescent cells made up only a few tenths of a percent of living organisms. This study, performed on baboons, indicates that the amount could be as much as 20 percent in the elderly. Baboons and humans are very similar on a cellular level, so these findings likely hold true for us as well, the scientists figure. "Twenty percent is a scary number in aged skin and could be harmful," Sedivy told LiveScience.     

Image: Green and black worms

Scientists force evolution in the lab - Live Science  Scientists have forced a little evolution in the laboratory, controlling whether a caterpillar becomes green or black. The study was done on Manduca sexta, a caterpillar commonly called the tobacco hornworm. Its larvae are normally green. A related species, Manduca quinquemaculata, becomes black or green depending on temperature. The idea was to use similar temperature shocks to evolve a similar change in M. sexta. Similar differences show up in genetically identical ants, which can develop into queens, soldiers or workers, based on the hormones they're exposed to early in development. Scientists have not understood evolution's exact role.  
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Alzheimer's Disease:
2/12/2005: Fruit Fly Reveals A Potential Connection Between Dementia And Cancer - Science Daily
2/12/2005: History Of Depression Linked To More Brain Plaques And Tangles, Rapid Decline In Alzheimer's Disease
 - Science Daily

Biosciences:
2/12/2005: Hunting or saving: Is US ranch preserving rare species by letting hunters kill them?  - BBC
2/12/2005: Exotic crabs in waterway invasion
  - BBC
2/12/2005: Europe 'stopped GM food imports'  - BBC
2/12/2005: Virus evolution directed to help humans - MSNBC
2/12/2005: Did pregnancy tests spur plague of frogs-
2/12/2005: Sharks’ sixth sense linked to genes
2/12/2005: ‘Lost World’ of wildlife found - MSNBC
2/12/2005: Huge park created, ending forest feud - MSNBC
2/12/2005: Experimental Evolution Of Yeast In The Lab May Illuminate Early Events In Speciation - Science Daily
2/12/2005: New Brain Hormone Puts Brakes On Reproduction - Science Daily
2/12/2005: New Sonar Method Offers Way To Assess Health Of Squid Fisheries - Science Daily
2/12/2005: Berkeley Researchers Lay Groundwork For Cell Version Of DNA Chip - Science Daily
2/12/2005: Scientists Force Viruses To Evolve As Better Delivery Vehicles For Gene Therapy - Science Daily
2/12/2005: Polar Bears May Get Federal Protection - Live Science
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Climate, Environment:
2/12/2005: Deal protects Canada rainforest  - BBC
2/12/2005: Green taxes: Higher charges to promote eco-friendly lifestyles  - BBC
2/12/2005: Blair: World has seven years to make climate changes  - C/Net
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Computers:
Devices
2/12/2005: Apple unveils cut-price iPod nano  - BBC
2/12/2005: • Gaming- Marketing to Kids - Business Week
2/12/2005: Apple rolls out 1GB Nano  - C/Net
2/12/2005: Apple expands iPod line, cuts some prices - Seattle Times
2/12/2005: It Slices, Dices, E-Mails  - Technology Review 
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Communications
2/12/2005: Global wi-fi plan gets $22m boost
  - BBC
2/12/2005: NBC Universal to offer on-demand IPTV
  - C/Net
2/12/2005: Gadgets:FCC publishes specs on new Windows Mobile phone
  - C/Net
2/12/2005: Skype adds features for Intel processors
  - El. Engr. Times
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Technology
2/12/2005: TI, MIT claim lowest voltage SRAM  - El. Engr. Times
2/12/2005: IBM adopts high-performance 'Cell' chip - Seattle Times
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PC's
2/12/2005: Sun's next goal: Linux on Sparc chips  - C/Net
2/12/2005: HP Compaq notebook for $599  - C/Net
2/12/2005: Toshiba embraces new Intel chips in tablet PC  - C/Net
2/12/2005: Apple's in the eye of flaw finders  - C/Net
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Internet
2/12/2005: Stopped at source: How do internet companies keep child abuse off our screen?-  - BBC
2/12/2005: BT sounds child web porn warning  - BBC
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2/12/2005: Dell in search tests with Google  - BBC
2/12/2005: Why cafe-style politics is the only wireless net option for some MPs  - BBC
2/12/2005: Video- Google's new version of Gmail  - C/Net
2/12/2005: Full Demo '06 blog coverage
  - C/Net
2/12/2005: Forget browser wars, prepare for toolbar wars
  - C/Net
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Miscellaneous
2/12/2005: US college backs Google Book plan  - BBC
2/12/2005: Divided future: Digital rights and wrongs in a user-generated world  - BBC
2/12/2005: Battening Windows against Net threats  - C/Net
2/12/2005: Microsoft warns of new Windows security issues  - C/Net
2/12/2005: Search: Google aims for IE 7 spotlight  - C/Net
2/12/2005: What Steve Jobs wants  - CNN
2/12/2005: LG projects $10 billion in TV sales by 2010  - El. Engr. Times
2/12/2005: Dell's Google software test may hurt Microsoft - Seattle Times
2/12/2005: Microsoft to fend off PC viruses for $49.95 - Seattle Times
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Energy:
2/12/2005: Seeing the light: Why banning light bulbs could save us from an 'energy crisis'  - BBC
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Health:
Cardiovascular
2/12/2005: High Blood Pressure And Kidney Disease Increase Risk For Heart Disease And Stroke In Older Americans - Science Daily
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Cancer  
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Infectious
2/12/2005: H5N1 bird flu reaches Africa - New Scientist
2/12/2005: HIV Subtype Predicts Likelihood Of Early Death From AIDS - Science Daily
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Non-Infectious
2/12/2005: Concerns over cigarette testing  - BBC
2/12/2005: Some Masks Used In Children's Asthma Treatment Not Effective, Research Shows - Science Daily
2/12/2005: Children With Asthma More Likely To Have Behavior Difficulties - Science Daily
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Miscellaneous
2/12/2005: Premature babies 'can defy odds'  - BBC
2/12/2005: Disease detectives: The experts who track down the culprits that make us ill  - BBC
2/12/2005: Potential for error The difficulties of providing medication in care homes  - BBC
2/12/2005: Raising awarenessWhat conditions can trigger an attack of Raynauld's?  - BBC
2/12/2005: Drug ruling 'in line with advice'  - BBC
2/12/2005: Raising awarenessWhat conditions can trigger an attack of Raynauld's?  - BBC
2/12/2005: Computer Use Deleted As Carpal Tunnel Syndrome Cause- More Common In Assembly Line Work - Science Daily
2/12/2005: All Placebos Not Created Alike: In A Trial Of Sham Acupuncture Vs. Oral Placebo Pill, Patients Experienced Greater Pain Reduction From Sham Device - Science Daily
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History, Anthropology:
2/12/2005: Scientists force evolution in the lab  - Live Science
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Miscellaneous:
2/12/2005: Fossett sets off on record bid  - BBC
2/12/2005: Anti-cartoon protests go online  - BBC
2/12/2005: Q&A: The Muhammad cartoons row  - BBC
2/12/2005: Web server attacks 'growing fast'  - BBC
2/12/2005: Finns are urging the elderly to join in at the playground  - BBC
2/12/2005: • A New Home Site on the Block - Business Week
2/12/2005: Monster waves, mighty fine ride
2/12/2005: Photos: Riding the waves  - C/Net
2/12/2005: Video: Esther Dyson on negotiating time  - C/Net
2/12/2005: How to explain your suspicious searches   - C/Net
2/12/2005: Google's hiring spree continues  - C/Net
2/12/2005: How much is your house worth? Zillow knows  - C/Net
2/12/2005: Giving the boss the big picture - Business Week
2/12/2005: Job hunting online gets trickier  - C/Net
2/12/2005: New Apollo program needed to boost engineering education  - El. Engr. Times
2/12/2005: GlobalFlyer takes off in pursuit of longest flight ever - New Scientist
2/12/2005: Satellites Support Businesses Working For Sustainable Development - SpaceDaily
2/12/2005: The Budget's Mixed News  - Technology Review 
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Neurosciences:
2/12/2005: Teens 'still get antidepressants'  - BBC
2/12/2005: This is your brain on a Super Bowl ad  - C/Net
2/12/2005: How the mind senses movement - New Scientist
2/12/2005: Chance, Music, And The Ear Of The Beholder - Science Daily
2/12/2005: Older Adults More Vulnerable To Distraction From Irrelevant Information - Science Daily
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Physics and Astronomy:
2/12/2005: Quantum gravity for real - PhysicsWeb
2/12/2005: Milky Way guilty of million-star theft
 - New Scientist
2/12/2005: How To Steal A Million Stars?
 - Science Daily
2/12/2005: Hubble Snaps Images Of A Pinwheel-Shaped Galaxy
 - SpaceDaily
2/12/2005: The Troubled Past Of Globular Cluster Messier 12
 - SpaceDaily
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Prolongevity
2/12/2005: Potentially Harmful 'Undead Cells' Collect with Age - Live Science
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Robotics:
2/12/2005: Robotic toys take stage at DEMO conference - Business Week
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Space:
2/12/2005: Lunar Reconnaissance Orbiter: Searching For A 'New Moon' - Space.com
2/12/2005: Griffin Statement On NASA FY 2007 Budget
 - SpaceDaily
2/12/2005: Despite Risks And Pitfalls Entrepreneurs Explore The Final Frontier
 - SpaceDaily
2/12/2005: NASA Postpones Or Kills Several Major Projects
 - SpaceDaily
2/12/2005: Russian Carrier Rocket To Orbit Japanese Satellite
 - SpaceDaily
2/12/2005: NASA's "Bizarre" Cuts
  - Technology Review 
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Technology:
2/12/2005: • A Novel Universe for GM's OnStar - Business Week
2/12/2005: Video: Digitizing the library  - C/Net
2/12/2005: Sony sets price for Blu-ray Discs  - C/Net
2/12/2005: Tech ties to Russia  - C/Net
2/12/2005: Olympic teams place bets on latest science
2/12/2005: Car detects intruder's heartbeats - New Scientist
2/12/2005: A Bathroom That Cleans Itself
 - Science Daily
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