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3-D ultrasound scanner could guide robotic surgeries
Duke University engineers have shown that a three-dimensional ultrasound scanner they developed can successfully guide a surgical robot. view more (2006-10-31)
A model of Pancreas based on the insulin extracting gel-polymer system
If the blood glucose overcontents (permissible content is 0.8-1 mg/ml), the pancreas be-gins to extract some inculin by which an unnecessary glucose is eliminated from blood and is assimilated by tissues. view more (1999-08-20)
Mechanical 'artificial hearts' can remove need for heart transplant by returning heart to normal
Mechanical 'artificial hearts' can be used to return severely failing hearts to their normal function, potentially removing the need for heart transplantation, according to new research. view more (2006-11-02)
Scientists discover who is likely to get dry eye syndrome after LASIK surgery
Scientists at Schepens Eye Research Institute have found that people with a certain low level of tear production are more likely to develop chronic dry eye syndrome after LASIK (laser-assisted in situ keratomileusis), laser refractive surgery to correct near- and far-sightedness than those with more plentiful tears. view more (2008-03-04)
A step toward tissue-engineered heart structures for children
Infants and children receiving artificial heart-valve replacements face several repeat operations as they grow, since the replacements become too small and must be traded for bigger ones. Researchers at Children's Hospital Boston have now developed a solution: living, growing valves created in the lab from a patient's own cells. view more (2007-09-13)
Image processing for applications in artificial vision
For a robot to identify objects in a particular image, it is first necessary that it can "see" them. With this aim, in artificial vision, edge detectors are normally used, i.e. computer programmes that delimit the objects in an image and define the limits between them and the background, and between the different objects themselves. view more (2006-01-17)
Light pollution offers new global measure of coral reef health
We've all seen the satellite images of Earth at night--the bright blobs and shining webs that tell the story of humanity's endless sprawl. view more (2008-11-25)
A new approach to growing heart muscle
It looks, contracts and responds almost like natural heart muscle - even though it was grown in the lab. And it brings scientists another step closer to the goal of creating replacement parts for damaged human hearts, or eventually growing an entirely new heart from just a spoonful of loose heart cells. view more (2006-12-08)
Electronic chip, interacting with the brain, modifies pathways for controlling movement
Researchers at the University of Washington (UW) are working on an implantable electronic chip that may help establish new nerve connections in the part of the brain that controls movement. view more (2006-10-25)
Scientists create first working model of a 2-qubit electronic quantum processor
A team led by Yale University researchers has successfully implemented simple algorithms using a quantum processor based on microwave solid-state technology--similar to that found in computers and cell phones. view more (2009-07-01)
Small molecules mimic natural gene regulators
In the quest for new approaches to treating and preventing disease, one appealing route involves turning genes on or off at will, directly intervening in ailments such as cancer and diabetes, which result when genes fail to turn on and off as they should. view more (2009-06-04)
Media invitation: Why everyone should be a cyborg
It's every technophobe's nightmare and the stuff of all the Terminator movies but Professor Kevin Warwick has always wanted to become the world's very first cyborg. And now he wants everyone else to join him! Not content with being able to control an electric wheelchair and an intelligent artificial hand (using a one hundred electrode array which... view more... (2003-02-04)
Coming soon: Cell therapies for diabetes, cancer?
Therapies using stem cell transplants are advancing promising treatments for such conditions as Alzheimer's Disease, neurological diseases and spinal cord injury, and heart disease. view more (2008-03-20)
Phytochemicals may protect cartilage, prevent pain in joints
Johns Hopkins researchers have discovered that plant-derived compounds known for their ability to protect tissue also appear to block the activity of an enzyme that triggers inflammation in joints. view more (2005-10-04)
Flowers shape themselves to guide their pollinators to the pollen
Why do flowers specialize on different pollinators? For example, both bats and hummingbirds pollinate plants in tropical forests; why adapt to just one instead of using both? Biologists often assume that tradeoffs contribute to such specialization (the jack of all pollinators is master of none), yet surprisingly little evidence exists in support... view more... (2007-04-04)
Ants more rational than humans
In a study released online on July 22 in the journal Proceedings of the Royal Society: Biological Sciences, researchers at Arizona State University and Princeton University show that ants can accomplish a task more rationally than our - multimodal, egg-headed, tool-using, bipedal, opposing-thumbed - selves. view more (2009-07-27)
The cost of long tongues
Orchid bees use their extraordinarily long tongues to drink nectar from the deep, tropical flowers only they can access. view more (2007-04-17)
UPMC begins study of heart support device as a bridge to transplantation
Doctors at UPMC have begun a study using an investigational cardiac device, the VentrAssist™ Left Ventricular Assist System (LVAD) to see whether it can be used safely and effectively in patients with end-stage heart failure. view more (2007-05-22)
Constant compressions critical to CPR
Interrupting chest compressions during resuscitation reduces the chances of heartbeat return after defibrillation. New research published in the open access journal BMC Medicine shows that for every second of a pause in compressions there is a 1% reduction in the likelihood of success. view more (2009-02-06)
"Ear ear" - a new audio world at the Science Museum
·How do you know instinctively where to look for a plane when it passes over? ·Where is that fly when you want to swat it? ·What has this got to do with Microsoft's new X-box games console? Hearing in three dimensions is the focus of a new display opening tomorrow, Wednesday 14 November, at the Science Museum in London. The display, called Audio... view more... (2001-11-13)
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