A new study shows that it is possible to use an imaging technique called cryo-electron microscopy (cryo-EM) to view, in near-atomic detail, the architecture of a metabolic enzyme bound to a drug that blocks its activity. ...
General Physics
May 7, 2015
0
56
The vivid pigmentation of zebras, the massive jaws of sharks, the fight or flight instinct and the diverse beaks of Darwin's finches. These and other remarkable features of the world's vertebrates stem from a small group ...
Cell & Microbiology
Apr 30, 2015
0
1388
Howard Hughes Medical Institute (HHMI) scientists have devised a method of visualizing RNA molecules inside cells so that the identity, location, and abundance of more than 1,000 different RNA species can be determined at ...
Cell & Microbiology
Apr 16, 2015
1
23
Sifting through the center of the Milky Way galaxy, astronomers have made the first direct observations - using an infrared telescope aboard a modified Boeing 747 - of cosmic building-block dust resulting from an ancient ...
Astronomy
Mar 19, 2015
3
841
Storm activity in large parts of the US, Europe and Russia significantly calmed down during summers over the past decades, but this is no good news. The weakening of strong winds associated with the jetstream and weather ...
Earth Sciences
Mar 12, 2015
0
46
The earliest known record of the genus Homo—the human genus—represented by a lower jaw with teeth, recently found in the Afar region of Ethiopia, dates to between 2.8 and 2.75 million years ago, according to an international ...
Archaeology
Mar 4, 2015
0
3518
Facing a challenge akin to solving a 1,000-piece jigsaw puzzle while blindfolded—and without touching the pieces—many structural biochemists thought it would be impossible to determine the atomic structure of a massive ...
Cell & Microbiology
Feb 13, 2015
0
37
Scientists have used an X-ray laser at the Department of Energy's SLAC National Accelerator Laboratory to get the first glimpse of the transition state where two atoms begin to form a weak bond on the way to becoming a molecule.
Condensed Matter
Feb 12, 2015
5
4169
A new explanation for a type of order, or symmetry, in an exotic material made with uranium may lead to enhanced computer displays and data storage systems, and more powerful superconducting magnets for medical imaging and ...
Superconductivity
Feb 12, 2015
7
1758
A study by astrophysicists at the University of Toronto suggests that exoplanets - planets outside our solar system - are more likely to have liquid water and be more habitable than we thought.
Astronomy
Jan 15, 2015
8
2694
