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By Amplifying Cell Death Signals, Scientists Make Precancerous Cells Self-destruct

When a cell begins to multiply in a dangerously abnormal way, a series of death signals trigger it to self-destruct before it turns cancerous. Now, in research to appear in the August 15 issue of Genes & Development, Rockefeller University scientists have figured out a way in mice to amplify the signals that tell these precancerous cells to die. The trick: Inactivating a protein that normally helps cells to avoid self-destruction.

By amplifying cell death signals, scientists make precancerous cells self-destruct

When a cell begins to multiply in a dangerously abnormal way, a series of death signals trigger it to self-destruct before it turns cancerous. Now, in research to appear in the August 15 issue of Genes & Development, Rockefeller University scientists have figured out a way in mice to amplify the signals that tell these precancerous cells to die. The trick: Inactivating a protein that normally helps cells to avoid self-destruction.

Neurons Control Robot

Researchers at the University of Reading, in England, have developed a robot controlled by a biological "brain." Hundreds of thousands of rat neurons communicate via a multielectrode array--a dish with over 60 two-way electrodes that transmit signals between neurons and outside electronics--to control the movement of a wheeled robot. When the neurons receive signals that the robot is nearing an object, their output moves the wheels in an attempt to avoid obstacles. The researchers, led by neuroscientists Mark Hammond, Ben Whalley, and cyberneticist Kevin Warwick, suggest that by stimulating the neurons with different signals as the robot returns to a familiar location, they will be able to study how a brain stores data. Their goal is to eventually understand memory formation and disorders, such as Alzheimer's and Parkinson's.

'Slow' Light To Speed Up the Net

JPawlak writes "Researchers believe that it may be possible to increase the speed of the Internet by slowing down certain parts of it by using metamaterials. Metamaterials could be used to replace the bulky and slow electronics that route Internet information, allowing for faster Internet speeds. As data nears its destination, the frequencies must be separated. The light must then be converted into electrical signals, which are stored, routed, and converted back into optical signals. The conversion not only adds significant cost and complexity to the process, but slows down the transmission as well. However, if the light signals could be slowed during the switching process, they would not need to be converted into an electrical signal. 'The ability to slow the light could be a tremendous force for telecoms that is sure to enhance speed an

Experian Signals Significant New Trend in Online Search Advertising

Microscope.jpgLONDON: Hitwise, a unit of database management and marketing giant Experian, is among the first to spot what almost certainly signals a sea-change in search advertising.

Volcanic eruption signals simulated in lab for first time

(PhysOrg.com) -- For the first time, seismic signals that precede a volcanic eruption have been simulated and visualized in 3-D under controlled pressure conditions in a laboratory. The ability to conduct such simulations will better equip municipal authorities in volcanic hot spots around the world in knowing when to alert people who live near volcanoes of an impending eruption.

Atomic-resolution views suggest function of enzyme that regulates light-detecting signals in eye

(Nanowerk News) An atomic-resolution view of an enzyme found only in the eye has given researchers at the University of Washington (UW) clues about how this enzyme, essential to vision, is activated. The enzyme, phosphodiesterase 6 (PDE6), is central to the way light entering the retina is converted into a cascade of signals to the brain.

Japanese scientists develop 'robot suit'

Suits that can read users' brain signals and then send signals to a set of mechanical leg braces can be rented from Friday for $3,000 AUD per month.

Japanese scientists develop 'robot suit'

Suits that can read users' brain signals and then send signals to a set of mechanical leg braces can be rented from Friday for $3,000 AUD per month.

Messages From Earth Beamed to Alien World

The powerful opening scene of the movie "Contact" portrays radio and television signals from Earth heading out into space. Then later in the film, shockingly, one of those signals — a televised speech by Adolf Hitler — is beamed back as a reply. Could that really happen? Could an alien civilization "find" us from our inherent noise? Or, if we want other intelligent life to know we're here, will we have to take a more proactive or aggressive approach? Perhaps we'll find out. Today, messages from Earth were beamed specifically at an alien world considered capable of supporting life, the planet Gliese 581c, a "super-Earth" located approximately 20 light years from us. The social networking site Bebo sponsored a competition for young people to share their views and concerns of life on Earth, and the winners' messages were transmitted this

Robotics

A Japanese scientist has unveiled a robotic suit, which he says can enable paralyzed people to walk by detecting bioelectric signals sent from the brain, analyzing them, and then setting appropriate motors into motion to move their limbs. As the suit detects the signals sent from the brain this means that the person can control the robot suit by his or her own will. ... Continue Reading

Robot suit may enable paralyzed to walk

A Japanese scientist has unveiled a robotic suit, which he says can enable paralyzed people to walk by detecting bioelectric signals sent from the brain, analyzing them, and then setting appropriate motors into motion to move their limbs. As the suit detects the signals sent from the brain this means that the person can control the robot suit by his or her own will.

Intersil's CD/MP3 Stereo 2:1 Multiplexer

Intersil Corporation has developed the optimal CD/MP3 stereo 2:1 multiplexer designed to deliver low distortion audio source or load selector solutions with very high signal muting. The Intersil ISL54405 is a single supply, bidirectional, dual single-pole/double-throw (SPDT) analog switch featuring distortion and off-Isolation capabilities into all load types. It is designed to pass analog signals that are positive and negative with respect to ground, with inputs that accommodate ground referenced signals up to 2VRMS, while operating from a single 3.3V or 5V DC supply. The ISL54405 saves cost by eliminating the negative supply and the associated components typically used for amplifier output signal muting. The device also consumes minimal power, reducing the size and heat typical of traditional designs.

Olympus Signals Micro-Four Thirds Camera On The Way, Plus 'Creative' DSLR Cam

Since Olympus and Panasonic together developed the micro four thirds camera format, and Panasonic's Lumix G1 is already on the way, it shouldn't be a surprise to hear Olympus is working on one too. Olympus is currently making noises about the camera, saying it'll "bring dramatic reductions in size and weight to the Olympus E-System" and be easier and lighter to use than a conventional DSLR. But there's no word on the specs or even an image of the beast: a mock-up is due for unveiling at Photokina this week, and it'll show off the format's small size by being 4.7 x 2.5 x 1.2-inches. Update: the camera's been revealed, and Digitalcamerareview's got pictures. Though there's still no specs, and it's still a mock-up, it's certainly a very rangefinder-looking device.

Fed signals it's hanging tough

Despite pressure from the financial markets to cut interest rates, Fed Chairman Ben Bernanke and the board’s policymakers sent a strong signal that they are hanging tough by leaving rates just where they are.

Justice signals challenge to Google-Yahoo deal

Broadband Service Provider Trident SR Sdn. Bhd.

eBay signals the end of the road for auctions as a winning business model

eBay has announced a major turnaround in its business with a new focus on fixed price sales and a reduction in its emphasis on auctions. Phew! Yes, the world is still round, the Pope and bears are still doing what comes naturally and people do, it seems, still prefer to buy something that has an actual price tag on it. Now, where's my pricing gun?

UK signals tough stance on online copyright

This article is FREE access as part of MIP Week, a weekly email newsletter written by the editors of Managing Intellectual Property magazine. Take a two week trial to MIP and find many more related articles.

BlackBerry signals interest in Kenya

BlackBerry Partners Fund has invited Kenyan techies to take part in the BlackBerry Developer Challenge beginning Aug. 19.

BlackBerry signals interest in Kenya

BlackBerry Partners Fund has invited Kenyan techies to take part in the BlackBerry Developer Challenge beginning Aug. 19.

Sprint Nextel Signals Start of WiMax Era in Baltimore

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U.S. signals challenge to Google-Yahoo deal

WASHINGTON — In a possible blow to Yahoo Inc.'s hopes for an advertising partnership with Google Inc., the U.S. Justice Department has hired an antitrust litigator to review evidence for what could become a legal challenge to the deal.

Spooky Physics: Signals Seem to Travel Faster Than Light

Strange events that Einstein himself called "spooky" might happen at least 10,000 times the speed of light, according to the latest attempt to understand them.

Fiji: Mixed signals about Windows futures?

Tags: Microsoft Windows 7, Microsoft Corp., Tester, Fiji, Microsoft Windows, Media Center PCs, Operating Systems, Software, Personal Technology, Home Entertainment

Animals Adapt Their Vocal Signals To Social Situations

A special August issue of the Journal of Comparative Psychology, published by the American Psychological Association, presents a host of studies that investigate the way that animals adapt their calls, chirps, barks and whistles to their social situation.

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