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Jumping for joy ... and stronger bones
High impact activities such as jumping and skipping that can easily be incorporated into warm-ups before sports and physical education classes, have been shown to benefit bone health in adolescents. view more (2008-08-28)
Star on a Hubble diet
How heavy can a star be? This conundrum has haunted astronomers for decades. Theory indicates that there should be an upper stellar mass limit somewhere between 120 and 300 solar masses. Even though heavy stars are very bright, measurements of their masses can be complicated. view more (2006-12-12)
Super sensitive gas detector goes down the nanotubes
When cells are under stress, they blow off steam by releasing minute amounts of nitrogen oxides and other toxic gases. view more (2009-01-14)
Truly sick or simply scared?
Scientists at Pacific Northwest National Laboratory have discovered a way to increase the sensitivity of test strips that will enable creation of a portable biosensor that can address a major concern associated with incidents involving chemical or nerve agents - the need to quickly distinguish between individuals who have been exposed and the... view more... (2007-08-20)
Nano-tetherball biosensor precisely detects glucose
Researchers have created a precise biosensor for detecting blood glucose and potentially many other biological molecules by using hollow structures called single-wall carbon nanotubes anchored to gold-coated "nanocubes." view more (2009-01-23)
The Nobel Prize in Chemistry 2002
The Nobel Prize in Chemistry is awarded with one half to John B. Fenn and Koichi Tanaka, for their development of methods in mass spectrometry for biomolecules, and with the other half to Kurt Wütrich, for his NMR-method to study biomolecules in solution The Nobel Prize in Chemistry for 2002 is being shared between scientists in two important... view more... (2002-10-09)
NASA celebrates a decade observing climate impacts on health of world's oceans
The NASA-managed Sea-viewing Wide Field-of-view Sensor (SeaWiFS) instrument settled into orbit around Earth in 1997 and took its first measurements of ocean color. view more (2007-09-20)
Accidental wireless
Following a rollover automobile accident, driver and passengers are usually unable to call for help. So, unless the accident occurs on a busy road, rescue is unlikely to arrive in time to save them. view more (2009-02-10)
New 'seed' therapy helps pinpoint breast tumors with more accuracy
Physicians at UT Southwestern Medical Center are the first in Texas to use a new technique in which a small radioactive pellet, or "seed", is implanted into a mass or suspicious lesion in the breast to pinpoint its exact location for surgical removal. view more (2007-10-11)
Astonomers find tiny planet orbiting tiny star
An international team of astronomers led by David Bennett of the University of Notre Dame has discovered an extra-solar planet of about three Earth masses orbiting a star with a mass so low that its core may not be large enough to maintain nuclear reactions. The result was presented Monday (June 2) at the American Astronomical Society annual... view more... (2008-06-03)
NASA satellite sees solar hurricane detach comet tail
A NASA satellite has captured the first images of a collision between a comet and a solar hurricane. It is the first time scientists have witnessed such an event on another cosmic body. view more (2007-10-02)
Jefferson scientists uncover new clues to how crucial molecular gatekeepers work
One of the biggest mysteries in molecular biology is exactly how ion channels - tiny protein pores through which molecules such as calcium and potassium flow in and out of cells - operate. view more (2005-10-12)
Motorola researchers develop selective sensors based on carbon nanotubes
A team of researchers from Arizona State University and Motorola Labs, the applied research arm of Motorola Inc., has developed sensors based on carbon nanotubes, microscopically small structures that posses excellent electronic properties. view more (2006-09-14)
Wisconsin scientists discover a master key to microbes' pathogenic lifestyles
For some microbes, the transformation from a benign lifestyle in the soil to that of a potentially deadly human pathogen is just a breath away. view more (2006-04-28)
Researchers use mass spectrometry to detect norovirus particles
Scientists have used mass spectrometry for decades to determine the chemical composition of samples but rarely has it been used to identify viruses, and never in complex environmental samples. view more (2006-04-07)
Massive Black Hole Smashes Record
Using two NASA satellites, astronomers have discovered the heftiest known black hole to orbit a star. The new black hole, with a mass 24 to 33 times that of our Sun, is more massive than scientists expected for a black hole that formed from a dying star. view more (2007-10-31)
Rotators for the Canaries Large Telescope
TEKNIKER has concluded the verification tests on the two Nasmyth rotators which they have designed and constructed for the Large Telescope on the Canary Islands and which, probably over this coming Autumn, will be incorporated at the Grantecan installation. The two Nasmyth rotators are two son large rotating pieces of almost four metres diameter... view more... (2003-06-30)
Technology for monitoring fetal oxygen during labor offers no apparent benefit
A new technology for measuring blood oxygen levels of a baby during labor-expected to provide information useful for preventing birth complications-offers no apparent benefit, report researchers in a National Institutes of Health research network. view more (2006-11-27)
Research removes major obstacle from mass production of tiny circuits
As they eliminate tiny air bubbles that form when liquid droplets are molded into intricate circuits, a Princeton-led team is dissolving a sizable obstacle to the mass production of smaller, cheaper microchips. view more (2007-01-18)
VLT Observations Address the Age of the Universe
The stream of important scientific results from ESOs Very Large Telescope (VLT) at Paranal (Chile) is increasing. Astronomers have had access to the first of the four 8.2-m telescopes since April 1999 and research articles based on observations with this new powerful facility are beginning to appear in larger numbers. The work reported here is one... view more... (1999-12-17)
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