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The 'oxygen imperative'
It's common knowledge that humans and other animals couldn't survive without oxygen. But scientists are now learning a good deal more about the extent of our evolutionary debt to a substance that was once a deadly poison. view more (2006-03-24)
Magnetic misfits: South seeking bacteria in the Northern Hemisphere
Magnetotactic bacteria contain chains of magnetic iron minerals that allow them to orient in the earth's magnetic field much like living compass needles. view more (2006-01-23)
No pacemakers in the brain may explain cot death
A failure to 'gasp' has long been proposed as the basis for sudden infant death syndrome, or cot death. view more (2006-02-13)
Russian Filter For Russian Exhausts
Automobiles manufactured in Russia are now often equipped with expensive American or European catalytic exhaust scrubbers - converters. However, according the opinion of researchers from the Mendeleyev Russian Chemical-Engineering University, Russian automobiles will be soon equipped with exhaust scrubbers manufactured in Russia. Traditional... view more... (2004-06-15)
Filming an ultra-fast biological reaction essential to life
A team of scientists from the USA in collaboration with staff at the European Synchrotron Radiation Facility1 (Schotte et al) have managed to film a protein at work in unprecedented detail. The protein is the oxygen-storing molecule myoglobin, which plays a central role in the production of energy in muscles. The motion of the protein was recorded... view more... (2003-06-24)
Elevated nitric oxide in blood is key to high altitude function for Tibetans
How can some people live at high altitudes and thrive while others struggle to obtain enough oxygen to function? view more (2007-10-31)
Thin films of silicon nanoparticles roll into flexible nanotubes
By depositing nanoparticles onto a charged surface, researchers at the University of Illinois at Urbana-Champaign have crafted nanotubes from silicon that are flexible and nearly as soft as rubber. view more (2005-06-15)
Red blood cell transfusions under scrutiny
Bristol scientists have found that red blood cell transfusions given to people having heart surgery could increase the risk of heart attack or stroke. view more (2007-11-27)
Jefferson Researchers Find Nanoparticle Shows Promise in Reducing Radiation Side Effects
With the help of tiny, transparent zebrafish embryos, researchers at the Kimmel Cancer Center at Thomas Jefferson University and Jefferson Medical College are hoping to prove that a microscopic nanoparticle can be part of a "new class of radioprotective agents" that help protect normal tissue from radiation damage just as well as... view more... (2006-11-09)
Even mildly premature infants have increased risk of a common respiratory tract infection
Even mildly premature infants (gestational ages of 33 weeks through 36 weeks) have an increased risk of medically attended respiratory syncytial virus infection, which is the leading cause of lower respiratory tract infection in infants and young children and can lead to pneumonia in babies. view more (2009-05-06)
Oxford spin-out company may lead to treatments for a range of diseases
Oxford University's latest spin-out company, ReOx, is set to develop potential therapies for a huge range of diseases, from heart disease to stroke, using world-leading expertise in biology and chemistry. The company was spun out this summer and has raised £2 million in capital investment. ReOx is a drug discovery company whose technology... view more... (2003-07-17)
Oh, my aching back: Give me a shot of ozone
A minimally invasive interventional radiology treatment-that safely and effectively uses oxygen/ozone to relieve the pain of herniated disks-will become standard in the United States in the next few years, predict researchers at the Society of Interventional Radiology's 34th Annual Scientific Meeting. view more (2009-03-09)
Heme controls antioxidants and iron in ferritin
More than one million Americans have abnormal iron levels in their bodies. For example, iron excess can lead to a long list of health problems including diabetes, heart failure, liver cancer, arthritis and severe fatigue. view more (2005-10-11)
Earth's magnetic field could help protect astronauts working on the moon
It has been 35 years since humans last walked on the moon, but there has been much recent discussion about returning, either for exploration or to stage a mission to Mars. However, there are concerns about potential radiation danger for astronauts during long missions on the lunar surface. view more (2007-12-11)
Cost of hatchling turtles' dash for freedom
A newly hatched sea turtle's first swim is the most critical of its life. Having run the gauntlet of air and land predators to make it to the sea, the tiny voyager must also evade hungry fish patrolling the beaches in its bid for freedom. view more (2008-12-12)
New study overturns orthodoxy on how macrophages kill bacteria
For decades, microbiologists assumed that macrophages, immune cells that can engulf and poison bacteria and other pathogens, killed microbes by damaging their DNA. A new study from the University of Illinois disproves that. view more (2009-04-28)
Free radical scavenging is defective in periodontal (tooth loosening) disease
The capacity to mop up harmful oxygen free radicals seems to be reduced in people with periodontal disease, finds research in Molecular Pathology. Periodontal disease affects between 10 and 15% of people worldwide. A leading cause of tooth loss, it develops as a result of bacterial infection from a build-up of the sticky, colourless bacterial... view more... (2002-11-22)
Sewer-gas-induced suspended animation is rapid and reversible
Low doses of the toxic gas responsible for the unpleasant odor of rotten eggs can safely and reversibly depress both metabolism and aspects of cardiovascular function in mice, producing a suspended-animation-like state. view more (2008-03-25)
Where did Venus's water go?
Venus Express has made the first detection of an atmospheric loss process on Venus's day-side. Last year, the spacecraft revealed that most of the lost atmosphere escapes from the night-side. view more (2008-12-19)
Emergency departments test chest pain patients differently, based on race, gender and insurance
The study, conducted by Liliana E. Pezzin, Ph.D., associate professor of medicine at the Medical College, along with co-investigators Gary B. Green, M.D., MPH, and Penelope Keyl, Ph.D., at Johns Hopkins, appears in the February 2007 issue of Academic Emergency Medicine. view more (2007-02-02)
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