Many animals, including humans, have internal clocks and calendars to help them regulate behavior, physiological functions and biological processes. Although scientists have extensively studied the timekeeping mechanisms ...
Biotechnology
Sep 23, 2013
0
0
NUS chemists have developed carbon-conjugated covalent organic frameworks for visible light-driven catalytic production of hydrogen gas from water.
Materials Science
Oct 9, 2019
2
880
Take a cloud of molecular hydrogen add some turbulence and you get star formation – that’s the law. The efficiency of star formation (how big and how populous they get) is largely a function of the density of the ...
Astronomy
Sep 26, 2011
4
0
(PhysOrg.com) -- UCLA researchers report in the April 30 edition of the journal Cell that they have imaged a virus structure at a resolution high enough to effectively "see" atoms, the first published instance of imaging ...
Cell & Microbiology
May 4, 2010
7
0
Duke University researchers have taken a major step towards realizing a new form of MRI that could record biochemical reactions in the body as they happen.
General Physics
Mar 25, 2016
1
1629
This image from the Atacama Large Millimeter/submillimeter Array (ALMA) shows the area surrounding Sagittarius A*, the supermassive black hole that lurks at the centre of the Milky Way—highlighted here with a small circle. ...
Astronomy
Oct 23, 2018
6
110
Lab-based mimicry allowed an international team of physicists including Carnegie's Alexander Goncharov to probe hydrogen under the conditions found in the interiors of giant planets—where experts believe it gets squeezed ...
Materials Science
Aug 16, 2018
7
147
A "super-Earth" is an exoplanet (a planet around another star) whose mass is between about two and ten Earth-masses. Planets larger than this are closer to Uranus and Neptune in size (and perhaps in other physical properties ...
Astronomy
Mar 5, 2012
1
0
(PhysOrg.com) -- Astronomers at the Max Planck Institute for Astronomy have, for the first time, measured the alignment of magnetic fields in gigantic clouds of gas and dust in a distant galaxy. Their results suggest that ...
Astronomy
Nov 16, 2011
11
0
The humble membranes that enclose our cells have a surprising superpower: They can push away nano-sized molecules that happen to approach them. A team including scientists at the National Institute of Standards and Technology ...
Bio & Medicine
Jan 23, 2024
0
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