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Cell Phones That Listen and Learn

June 22, 2009
(Dartmouth College)

SoundSense, which picks up sounds and tries to classify them into “voice,” “music,” or “ambient noise” categories, is a step in building a system that can learn user behavior on the go, say its Dartmouth College developers.

The software could allow for giving users feedback on their daily activities for health, time-management, and life-logging applications.

Cell phones ‘possibly carcinogenic,’ says WHO’s International Agency for Research on Cancer

May 31, 2011

(Credit: iStockphoto)

The WHO/International Agency for Research on Cancer (IARC) has classified radio frequency (RF) electromagnetic fields as possibly carcinogenic to humans (Group 2B), based on an increased risk for glioma, a malignant type of brain cancer associated with wireless phone use, IARC says.

From May 24–31, 2011, a Working Group of 31 scientists from 14 countries met at IARC in Lyon, France… read more

Cell phones could double as night vision devices

May 5, 2010

Franky So, a University of Florida engineering researcher, has developed a nickel-sized imaging device that uses organic light-emitting diode technology (similar to that found in cell phone or laptop screens) for night vision.

Unlike night vision goggles, which are heavy and expensive, the device is paper-thin, light and inexpensive, making it a possible add-on to cell phone cameras, even eyeglasses, once it is enlarged.

The imaging device replaces… read more

Cell phones as dangerous as drunk driving

July 3, 2006

A study by University of Utah psychologists found that drivers talking on cell phones, either handheld or hands-free, are more likely to crash because they are distracted by conversation.

Cell Phone Use Affects Brain Glucose Metabolism

February 24, 2011

cellphoneeffectsonbrain

Use of a cell phone for as little as 50 minutes at a time appears to affect brain glucose metabolism in the region closest to the phone’s antenna, a new study shows.

Nora Volkow, director of the US National Institute on Drug Abuse in Bethesda, Maryland, and colleagues used positron emission tomography (PET) during cell phone use in the on and then off positions and found that although… read more

Cell phone exposure may protect against and reverse Alzheimer’s disease

January 7, 2010

Long-term exposure to cell phones signals may protect against, and even reverse, Alzheimer’s disease in mice by erasing brain deposits of the harmful protein beta-amyloid, in addition to preventing the protein’s build-up in younger Alzheimer’s mice, a study led by University of South Florida researchers found.

Cell phone app builds photorealistic 3D models

March 24, 2011

Microsoft researchers have developed a cell phone app that can build a photorealistic 3D model capable of being spun around and viewed from any angle, says Microsoft researcher Eric Stollnitz.

To make a model from the initial snapshots, the app first compares the photos to determine where in 3D space they were taken from. The app then uses what it learns to break each image apart and spread what… read more

Cell ‘organs’ get plastic upgrades

May 26, 2008

University of Basel researchers have built artificial polymer organelles (internal compartments in cells that carry out specialized metabolic functions) and added them to live human cells in a lab dish.

The 200-nanometers-wide capsule contained enzymes, just like natural organelles. The artificial organelle’s membrane can be chemically tuned to control which chemicals can pass through it and regulate the reactions inside.

Applications of an artificial organelle could include boosting… read more

Cell on a Chip

August 5, 2009

The first artificial cellular organelle, a small microfluidics chip that mimics some of the cell’s Golgi apparatus actions, has been created by researchers at Rensselaer Polytechnic Institute.

The digital device allows the researchers to control the movement of a single microscopic droplet while they add enzymes and sugars, split droplets apart, and slowly build a molecule chain like heparin, which is widely used to prevent blood from clotting in… read more

Cell mechanism findings could one day be used to engineer organs

October 21, 2012

ut_dallas_biofilms

Biologists have teamed up with mechanical engineers from the the University of Texas at Dallas to conduct cell research that provides information that may one day be used to engineer organs.

The research, published online in the Proceedings of the National Academy of Sciences (open access), sheds light on the mechanics of cell, tissue, and organ formation. The research revealed basic mechanisms about… read more

Cell death unleashes full force of human antiviral system

February 13, 2012

A scientific team led by researchers at the University of Geneva (UNIGE) and the Charité Berlin Medical University has discove showing how much our immune system is provoked into action when confronted by viral intruders.

The possibility of exploiting this mechanism in vaccines holds promise for the development of new ways of preventing and treating infectious diseases and cancer.

Killer T cells (cytotoxic T lymphocytes)… read more

Cell bio, automation merge to screen every human gene

April 1, 2010

A paper published in this week’s Nature takes a method pioneered with C. elegans and extends it to the human genome: researchers have knocked down every single identified human gene, and used an automated imaging system to examine the impact on cell division.

All of the 190,000 movies that resulted have been made publicly accessible.

The surprise was that less than half of these genes had previously been… read more

Celebrity cloning

August 22, 2001

The DNA Copyright Institute (DCI) of San Francisco is offering celebrities the chance to establish copyright over their DNA to prevent unwanted duplication.In theory, all someone needs to clone their hero or heroine is a few living cells from them left behind on a glass or exchanged in a handshake, for example.

DCI is offering to record celebrities’ DNA fingerprint, check that it is unique and store it. As… read more

CDs and DVDs for long-term achival storage

September 11, 2003

Computer scientists at the National Institute of Standards and Technology (NIST) are launching an effort to develop specifications for “archival quality” CD and DVD media that agencies could use to ensure the procurement of sufficiently robust media for their long-term archiving needs (i.e., 50 years and longer).

NIST press release: From Movies to Minutia: DVDs Eyed for Archival Uses

Cdn. researcher: Cells can grow on silicon

February 20, 2004

Researchers at the University of Calgary have found that nerve cells grown on a microchip can learn and memorize information which can be communicated to the brain.

The findings could help in the design of devices that combine electronic components and brain cells. That includes controlling artificial limbs or restoring sight for the visually impaired.

Future research will focus on interfacing silicon chips with the human brain to… read more

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