A team of researchers from the University of Wisconsin have identified 46 genes in Escherichia coli that are necessary for its survival at exceptionally high levels of radiation. The paper appears ahead of print in the Journal ...
Biotechnology
Jul 21, 2014
0
0
(Phys.org) —Messier 82 (M82), the galaxy in which the nearest supernova in decades recently exploded, also is the closest galaxy that is undergoing a rapid burst of star formation, known as a starburst. About 12 million ...
Astronomy
Feb 3, 2014
0
0
The radioactive element astatine, the name of which is derived from the Greek word for 'instability,' is so rare on earth that it has not yet been investigated to any greater extent and, as a consequence, very little is known ...
General Physics
Jul 4, 2013
1
0
Scientists now know that thunderstorms, working as powerful natural terrestrial particle accelerators, produce intense flashes of ionizing radiation called "dark lightning." To further their understanding of this phenomena, ...
Earth Sciences
Jun 13, 2013
2
0
Coronal mass ejections (CMEs), emissions of magnetized ionized gas from the Sun, can damage satellites and communication technology, so being able to predict where they are heading and how much energy they have is important ...
Space Exploration
May 22, 2013
0
0
(Phys.org) —In a course of studying young galaxies at a distance of 11.6 billion light years from Earth, a team of astronomers led by Professor Yoshiaki Taniguchi (Ehime University) noticed a strangely shaped galaxy that ...
Astronomy
Apr 1, 2013
101
0
Forget digital fingerprints, iris recognition and voice identification, the next big thing in biometrics could be your knobbly knees. Just as a fingerprints and other body parts are unique to us as individuals and so can ...
Other
Jan 23, 2013
2
0
X-ray mammography is an important diagnostic tool in the fight against breast cancer, but it has certain drawbacks that limit its effectiveness. For example, it can give in false positive and negative results; it also exposes ...
Optics & Photonics
May 7, 2012
0
0
(Phys.org) -- How better to find out what effect ionizing radiation has on human skin than by using the real thing? Researchers at Pacific Northwest National Laboratory did that by performing a quantitative mass spectrometry ...
Biochemistry
Apr 24, 2012
0
0
To observe ultrarapid phenomena such as the motion of electrons within matter, researchers need sources capable of producing extremely fast and energetic light radiation. Although devices capable of emitting pulses with attosecond ...
Plasma Physics
Apr 5, 2012
0
0
