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First tunable, 'noiseless' amplifier may boost quantum computing, communications
Researchers at the National Institute of Standards and Technology (NIST) and JILA, a joint institute of NIST and the University of Colorado (CU) at Boulder, have made the first tunable "noiseless" amplifier. view more (2008-10-16)
Brain cells work differently than previously thought
Scientists know that information travels between brain cells along hairlike extensions called axons. For the first time, researchers have found that axons don't just transmit information - they can turn the signal up or down with the right stimulation. view more (2007-08-20)
MPI researchers have for the first been able to map the activity of the brain by means of electrical microstimulation
The combination of electrical microstimulation and FMRT promises substantially more precise insights into the functional organisation or the brain and its circuitry. view more (2005-12-23)
Moths with a nose for learning
Much like Pavlov conditioned his dog to salivate in anticipation of food when a bell rang, insects can be trained to perform certain behaviors when enticed with different smells. view more (2008-10-03)
Longest ever follow-up study of a targeted cancer therapy shows excellent results
The overall survival of most people with chronic myelogenous leukemia (CML) treated with imatinib (Gleevec, STI-571) is extremely high and the relapse rate is quite low, according to new data from a study out of the Oregon Health & Science University Cancer Institute. view more (2006-06-05)
Ali Shilatifard and Colleagues Aim to Clarify the Definition of "Epigenetics"
Ali Shilatifard, Ph.D., Investigator, has joined with a team of colleagues to propose an operational definition of "Epigenetics" - a rapidly growing research field that investigates heritable alterations in gene expression caused by mechanisms other than changes in DNA sequence. view more (2009-04-02)
Funnel in the eye: Signal focusing increases photosensitivity
In poor light the eyes of mice react like some digital cameras: they reduce their resolution while at the same time increasing their sensitivity. Specialists in the retina focus the information of several light sensor cells for this purpose. view more (2006-11-03)
Researchers create a broadband light amplifier on a chip
Cornell researchers have created a broadband light amplifier on a silicon chip, a major breakthrough in the quest to create photonic microchips. In such microchips, beams of light traveling through microscopic waveguides will replace electric currents traveling through microscopic wires. view more (2006-07-07)
Rice psychologist explores perception of fear in human sweat
When threatened, many animals release chemicals as a warning signal to members of their own species, who in turn react to the signals and take action. Research by Rice University psychologist Denise Chen suggests a similar phenomenon occurs in humans. view more (2009-03-09)
Earth's magnetic field really did reverse itself
NWO researchers have developed an improved method of identifying the magnetic signals in old geological strata. The researchers used the new method to show that the earth's magnetic field really did reverse itself ten million years ago. Particles of iron in sediments orient themselves in accordance with the local magnetic field of the earth. As... view more... (2001-11-27)
Study sheds light on signaling mechanism in stem cells, cancer
UCSF scientists have illuminated a key step in a signaling pathway that helps orchestrate embryonic development. view more (2005-10-26)
A new study of living cells could revolutionize the way we test drugs
Researchers have made a breakthrough by detecting the electrical equivalent of a living cell's last gasp. The work takes them a step closer to both seeing the 'heartbeat' of a living cell and a new way to test drugs. view more (2007-04-12)
Insulin sensitizer also serves as energy-conserving signal to the brain
A fat-derived protein known for its effects on the liver and skeletal muscle might also serve as an energy-conserving signal to the brain during periods of starvation. view more (2007-07-11)
Reining in cancer - first laboratory study to show that combining novel targeted therapiesmay keep cancer cells under control
A team of Italian researchers has demonstrated in the laboratory for the first time that combining two of the newest anti-cancer targeted agents may produce a powerful new combination against breast cancer - and possibly many other cancers as well. Their findings are reported (Thursday 24 January) in the journal Annals of Oncology.* They found... view more... (2002-01-21)
Spreading high-speed Internet to rural areas
To cut the cost of bringing high-speed Internet to rural areas, Dr. Ka Lun Lee and colleagues at the University of Melbourne and NEC Australia in the state of Victoria are experimenting with a way to boost the reach of existing technology. view more (2009-03-17)
Stress signals link pre-existing sickness with susceptibility to bacterial infection
Mitochondrial diseases disrupt the power generating machinery within cells and increase a person's susceptibility to bacterial infection, particularly in the lungs or respiratory tract. view more (2009-07-28)
Designed peptides: Candidates for the treatment of cancer, sexual dysfunction, eating disorders
Chemists at the University of Arizona have developed modified versions of naturally occurring peptide hormones that could be key to novel treatments of a variety of diseases, including eating disorders (anorexia, obesity), diabetes, sexual dysfunction and skin cancer. view more (2005-09-01)
Streamlining brain signals for speed and efficacy
Life exists at the edge of chaos, where small changes can have striking and unanticipated effects, and major stimuli may go unheard. view more (2008-10-23)
Inflammation may play role in metastasis of prostate cancer
Many would assume that "mounting an immune response" or "having your body fight the cancer" is a good thing. Now, research at the University of California, San Diego (UCSD) School of Medicine strongly suggests that inflammation associated with the progression of tumors actually plays a key role in the metastasis of prostate... view more... (2007-03-19)
The role of fat as a signal substance
Fat is not only a much-discussed food substance. Fat can also function as a signal substance in the body and activate a special receptor in the cells of important organs like the heart and liver. This opens opportunities for new ways of explaining the genesis of diabetes, a disease that is strongly associated with obesity. This new role for fat... view more... (2003-02-10)
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