(Phys.org) —Almost every biological process involves sensing the presence of a certain chemical. Finely tuned over millions of years of evolution, the body's different receptors are shaped to accept certain target chemicals. ...
Bio & Medicine
May 6, 2014
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(AP)—A vet hopes groundbreaking surgery has relieved the arthritic hip pain of a 13-year-old Siberian tiger at a Texas sanctuary.
Plants & Animals
Mar 19, 2013
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Scientists have long been dreaming about building a computer that would work like a brain. This is because a brain is far more energy-saving than a computer, it can learn by itself, and it doesn't need any programming. Privatdozent ...
General Physics
Feb 26, 2013
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(Phys.org)—PFC supported scientists at JQI have created the first controllable atomic circuit that functions analogously to a superconducting quantum interference device (SQUID) and allows operators to select a particular ...
Quantum Physics
Nov 29, 2012
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New research, published in PLOS Computational Biology, offers insight into the neural underpinnings of musical timbre. Mounya Elhilali, of Johns Hopkins University and colleagues have used mathematical models based on experiments ...
Mathematics
Nov 1, 2012
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One of the more difficult aspects of evolution for some people to swallow is the notion that random copying errors in DNA can add up to anything useful.
Evolution
Oct 8, 2012
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When nerve cells communicate with one another, specialized receptor molecules on their surfaces play a central role in relaying signals between them. A collaborative venture involving teams of chemists based at Ludwig-Maximilians-Universitat ...
Biochemistry
Jan 10, 2012
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A study in worms that are less than a millimetre long has yielded clues that may be important for understanding how nerves grow.
Other
Sep 20, 2011
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The brain is forever chattering to itself, via electrical impulses sent along its hard-wired neuronal "Ethernet." These e-messages are translated into chemical transmissions, allowing communication across the narrow cleft ...
Biochemistry
Nov 23, 2010
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(PhysOrg.com) -- In cells, as in cities, disposing of garbage and recycling anything that can be reused is an essential service. In both city and cell, health problems can arise when the process breaks down.
Cell & Microbiology
Jul 14, 2010
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