For more than 20 years, theoretical mathematical models have predicted that a delay built into a negative feedback system is at the heart of the molecular mechanism that governs circadian clocks in mammalian cells. Now, the ...
Cell & Microbiology
Mar 25, 2011
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A new model to explore how new ideas affect fuel consumption in large diesel engines has been developed by a world-leading research group in tribology, at Luleå University of Technology. Tribology is the science of interacting ...
Energy & Green Tech
Mar 19, 2013
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For those of us with allergies, springtime pollen is an invisible nuisance. But under the high-powered microscopes of Eleni Katifori, a biophysicist at Rockefeller University in New York, the grains of plant material become ...
Plants & Animals
Apr 20, 2010
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(Phys.org) —New Zealand's geologic hazards agency reported this week an ongoing, "silent" earthquake that began in January is still going strong. Though it is releasing the energy equivalent of a 7.0 earthquake, New Zealanders ...
Earth Sciences
Jun 3, 2013
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Identifying elementary constituents of matter including quarks, bosons and electrons, and the manner by which these particles interact with each other, constitutes one of the greatest challenges in modern physical sciences. ...
General Physics
Sep 17, 2019
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133
The quantum behavior of atomic vibrations excited in a crystal using light pulses has much to do with the polarization of the pulses, say materials scientists from Tokyo Tech. The findings from their latest study offer a ...
Optics & Photonics
Oct 8, 2021
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250
Standing at the South Pole is the next-best thing to being on another planet. If you walk a few hundred yards away from the buildings that make up the National Science Foundation's research station, you see a featureless ...
General Physics
Nov 13, 2015
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89
A biomechanical experiment conducted at the University of Pennsylvania School of Engineering and Applied Science has answered a long-standing theoretical question: Will microorganisms swim faster or slower in elastic fluids? ...
General Physics
May 18, 2011
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When animals and plants are exposed to influences such as bacterial attack, odour and cold, calcium ions flow into the cells. The calcium provides the cells with a signal about what is going on outside, but as high concentrations ...
Biotechnology
Oct 21, 2012
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0
When one sends an email from Boston to Beijing, it travels through submarine optical cables that someone had to install at some point. The positioning of these cables can generate intriguing coiling patterns that can also ...
Engineering
Sep 29, 2014
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