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Internists endorse 2007-08 adult immunization schedule and publish in Annals of Internal Medicine
The American College of Physicians (ACP), with membership of 124,000 internal medicine physicians (internists), related subspecialists, and medical students, endorses the Centers for Disease Control's (CDC) adult immunization schedule for 2007-2008 and publishes the recommendations on the Web site of its flagship journal, Annals of Internal... view more... (2007-10-19)
ACP: Residency match results for internal medicine underscore need to redesign primary care
Results of the 2007 National Resident Matching Program (NRMP) show that the number of medical students choosing internal medicine residencies stayed about the same compared to 2006. The 2,680 American medical students entering categorical internal medicine training programs was similar to the 2,668 figure from last year. view more (2007-03-16)
New Speed Record for Magnetic Memories
Fast memory chips such as DRAMs and SRAMs (Dynamic and Static Random Access Memory) commonly used today have one decisive disadvantage: in case of power interruption, they lose their stored information. view more (2008-08-19)
Individual differences in a clock gene predict decline of performance during sleep deprivation
People are known to differ markedly in their response to sleep deprivation, but the biological underpinnings of these differences have remained difficult to identify. view more (2007-03-09)
New Chip Design Delivers Better Performance, Longer Battery Life for Cell Phones, WiFi, and Other Wireless Communications
Anyone who uses a cell phone or a WiFi laptop knows the irritation of a dead-battery surprise. view more (2006-04-20)
Artificial light at night stimulates breast cancer growth in laboratory mice
Results from a new study in laboratory mice show that nighttime exposure to artificial light stimulated the growth of human breast tumors by suppressing the levels of a key hormone called melatonin. view more (2005-12-20)
Dolphins Speak With Half-Nose
Russian researchers have recorded the sounds audible only inside the right part of the dolphin's nasal passage. Animals produce them during echolocation. This research can shed light on how the cetacea produce ultrasonic signals. Researchers of the Severtsov Institute of Ecology and Evolution Problems, Russian Academy of Sciences, have obtained... view more... (2004-11-01)
The hormone of darkness: melatonin could hurt memory formation at night
What do you do when a naturally occurring hormone in your body turns against you? What do you do when that same hormone - melatonin - is a popular supplement you take to help you sleep? A University of Houston professor and his team of researchers may have some answers. view more (2007-11-16)
WUSTL research finds individual cells isolated from the biological clock can keep daily time, but are unreliable
Alexis Webb enters a small room at Washington University in St. Louis with walls, floor and ceiling painted dark green, shuts the door, turns off the lights and bends over a microscope in a black box draped with black cloth. Through the microscope, she can see a single nerve cell on a glass cover slip glowing dimly. view more (2009-09-10)
Phantoms give a clearer picture of radiation effects
A new generation of realistic models of the human body could give radiation scientists and medical workers a better view of how exposure to radiation affects different internal organs. These so-called "voxel phantoms" offer a new way to reveal the effects of radioactive particles that have been ingested or breathed in or otherwise entered the... view more... (2002-10-18)
Doomsday clock moves forward 2 minutes
The Bulletin of the Atomic Scientists (BAS) is moving the minute hand of the Doomsday Clock today from seven to five minutes to midnight. view more (2007-01-18)
Physicists make atomic clock breakthrough
Andrei Derevianko, Kyle Beloy, and Ulyana Safronova sat down six months ago and began work on a calculation that will help the world keep better time. In competition with scientists at the University of New South Wales, the University team led by associate professor Derevianko conducted research that increased the accuracy of atomic clocks, and... view more... (2006-10-16)
A Biological Basis for the 8-Hour Workday?
The circadian clock coordinates physiological and behavioral processes on a 24-hour rhythm, allowing animals to anticipate changes in their environment and prepare accordingly. Scientists already know that some genes are controlled by the clock and are turned on only one time during each 24-hour cycle. view more (2009-04-24)
Chemotherapy for breast cancer is associated with disruption of sleep-wake rhythm in women
A study in the Sept.1 issue of the journal Sleep shows that the sleep-wake activity rhythms of breast cancer patients are impaired during the administration of chemotherapy. view more (2009-09-01)
Emergency angioplasty patients do best at hospitals where it's the 'default' treatment
Across America, hospitals large and small have been racing to offer angioplasty and other minimally invasive treatments to open blocked heart arteries. view more (2006-01-17)
New molecular clock from LLNL and CDC indicates smallpox evolved earlier than believed
Smallpox is older than thought, according to results of a new technique reported in the Sept. 24 issue of the Proceedings of the National Academy of Sciences by researchers from Lawrence Livermore National Laboratory and the Centers for Disease Control (CDC). view more (2007-09-26)
Invisible waves shape continental slope
A class of powerful, invisible waves hidden beneath the surface of the ocean can shape the underwater edges of continents and contribute to ocean mixing and climate, researchers from The University of Texas at Austin have found. view more (2008-07-01)
Researchers figure out what makes a simple biological clock tick
An interdisciplinary team of researchers at Vanderbilt University has analyzed the simplest known biological clock and figured out what makes it tick. view more (2007-03-27)
A Therapy for Baby Boomers to Sleep On
If you're over 55 and have spent more than a few sleepless nights, you're not alone -- insomnia affects about half of all people over 55 ― but you may also be at increased risk for physical and mental ailments. view more (2008-08-18)
Computers explain why pears may become brown during commercial storage
Internal browning of pears stored under low oxygen conditions is related to restricted gas exchange inside the fruit, according to a study published March 7th in the open-access journal PLoS Computational Biology. view more (2008-03-10)
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