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New Methods for Screening Nanoparticles
Scientists at the U.S. Department of Energy's Brookhaven National Laboratory have developed a screening method to examine how newly made nanoparticles - particles with dimensions on the order of billionths of a meter - interact with human cells following exposure for various times and doses. view more (2006-08-22)
NJIT researchers seed, heat and grow carbon nanotubes in long tubing
In less than 20 minutes, researchers at New Jersey Institute of Technology (NJIT) can now seed, heat and grow carbon nanotubes in 10-foot-long, hollow thin steel tubing. view more (2006-08-07)
Black holes have simple feeding habits
The biggest black holes may feed just like the smallest ones, according to data from NASA's Chandra X-ray Observatory and ground-based telescopes. This discovery supports the implication of Einstein's relativity theory that black holes of all sizes have similar properties, and will be useful for predicting the properties of a conjectured new class... view more... (2008-06-19)
Making strides in quantum dot infrared photodetectors
Researchers at Northwestern University have made significant strides in the development of quantum dot infrared photodetectors -- technology that may provide new imaging techniques with applications in medical and biological imaging, environmental and chemical monitoring, night vision and infrared imaging from space. view more (2007-05-18)
Infants can organise visual information at just four months
Research investigating attention in infancy has revealed that, at just four months old, babies are able to organise visual information in at least three different ways, according to brightness, shape, and how close the visual elements are together (proximity). view more (2006-04-28)
Nuclear explosion on a dead star - astronomers probe aftermath
A team of astronomers from the UK and Germany have found that a nuclear explosion on the surface of a star 5,000 light years from Earth resulted in a blast wave moving at over 1,700 km per second (one thousand miles per second or almost four million miles per hour!). view more (2006-07-20)
Adolescents are undertreated for addiction
Only about 10 percent of adolescents needing help for substance abuse problems actually enter treatment, partly because of the lack of adolescent-only services in the nation's treatment system, according to a new study released today. view more (2009-03-02)
Looking deep in Earth, researchers see upwellings that could be root of volcanic islands
Deep within Earth, researchers are finding hints of exotic materials and behaviors unrivaled anywhere else on the planet. Now a team of researchers is making connections between the dynamic activities deep inside Earth and geologic features at its surface. view more (2005-06-01)
The gold standard: Biodesign Institute researchers use nanoparticles to make 3-D DNA nanotubes
Arizona State University researchers Hao Yan and Yan Liu imagine and assemble intricate structures on a scale almost unfathomably small. Their medium is the double-helical DNA molecule, a versatile building material offering near limitless construction potential. view more (2009-01-05)
Scientists identify a gene that may suppress colorectal cancer
In today's online edition of Genome Research, a husband-and-wife research team from Thomas Jefferson University report the discovery of a gene that, when mutated, may suppress colorectal cancer. view more (2007-03-22)
Use science to convince teens a sober prom is better, AAAS says
This is the time of year when even teens who have never tried a drop of alcohol may be tempted. Middle and high school proms and graduation are big events and there will be multiple parties to attend and a wide array of opportunities for alcohol to be served. view more (2009-05-21)
Carbon nanotube absorption measured in worms, cancer cells
University of Michigan researchers have discovered how to measure the absorption of multi-walled carbon nanoparticles into worms and cancer cells, a breakthrough that will revolutionize scientists' understanding of how the particles impact the living environment. view more (2006-03-29)
Hubble and Spitzer Space Telescopes find 'Lego-block' galaxies in early universe
The conventional model for galaxy evolution predicts that small galaxies in the early Universe evolved into the massive galaxies of today by coalescing. Nine Lego-like "building block" galaxies initially detected by Hubble likely contributed to the construction of the Universe as we know it. view more (2007-09-07)
New research shows versatility of amniotic fluid stem cells
For the first time, scientists have demonstrated that stem cells found in amniotic fluid meet an important test of potential to become specialized cell types, which suggests they may be useful for treating a wider array of diseases and conditions than scientists originally thought. view more (2009-11-23)
Smell that memory
People can recall Viking museum experiences better after they've been exposed to Viking smells. This improvement occurred even though the recall interval was about six years and seems to show that smell has a vital role to play in memory. view more (1999-02-01)
Creating a better transmission system for deep-space applications
Recent advances in wireless computing technology could improve deep-space missions like asteroid research and remote spacecraft operations by changing the way signals are sent from Earth. view more (2005-10-25)
Sickness records can predict employee deaths
Employees who take long spells of sick leave more than once in two years are at a higher risk of death than their colleagues with no such absence, conclude researchers in this week's BMJ. They obtained sickness absence records for 6,895 male and 3,413 female civil servants until the end of 1989 and analysed associations with death until 1999.... view more... (2003-08-12)
Understanding of actuator properties of carbon nanotubes bring micro machines closer
Imagine machines smaller than microscopic in size working around us, in us and for us. Imagine them seeking out diseases, cleaning the environment and making the world a better place. view more (2007-11-26)
Reading the brain without poking it
Experimental devices that read brain signals have helped paralyzed people use computers and may let amputees control bionic limbs. But existing devices use tiny electrodes that poke into the brain. view more (2009-06-29)
Light-sensing cells in retina develop before vision
Investigators at Washington University School of Medicine in St. Louis have found that cells making up a non-visual system in the eye are in place and functioning long before the rods and cones that process light into vision. view more (2005-12-22)
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