News tagged with left handedness
New research suggests right-handedness prevailed 500,000 years ago
(PhysOrg.com) -- Research by University of Kansas professor David Frayer shows that distinctive markings on fossilized teeth correlate to the right or left-handedness of individual prehistoric humans.
Other Sciences / Archaeology & Fossils
Apr 19, 2011 |
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Sinister business: Lefties have evolutionary boon
Under Darwinian pressure, genes that don't help the struggle to survive get squeezed out of the genetic code, leaving the ones that are fitter.
Feb 27, 2009 |
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Search results for left handedness
MAJORANA, the search for the most elusive neutrino of all
(Phys.org) -- In a cavern almost a mile underground in the Black Hills, an experiment called the MAJORANA DEMONSTRATOR, 40 kilograms of pure germanium crystals enclosed in deep-freeze cryostat modules, will ...
May 17, 2012 |
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Researchers unlock mystery of how 'handedness' arises
The overwhelming majority of proteins and other functional molecules in our bodies display a striking molecular characteristic: They can exist in two distinct forms that are mirror images of each other, like ...
May 08, 2012 |
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Shedding light on southpaws: Sports data help confirm theory explaining left-handed minority in general population
Lefties have always been a bit of a puzzle. Representing only 10 percent of the general human population, left-handers have been viewed with suspicion and persecuted across history. The word "sinister" even derives from "left ...
Other Sciences / Social Sciences
Apr 25, 2012 |
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Spectroscopic evidence for the unusual handedness of a mammalian lipid may advance our understanding of evolution
Phospholipids are the main constituents of the cellular membranes in all organisms, ranging from single-celled archaea to highly complex plants and mammals. According to conventional wisdom, the chemical backbone ...
Mar 23, 2012 |
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New chemical reaction holds promise for drug development
A team of researchers at the California Institute of Technology (Caltech) has devised a new method for making complex molecules. The reaction they have come up with should enable chemists to synthesize new ...
Jan 12, 2012 |
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NMR used to determine whether gold nanoparticles exhibit 'handedness'
Carnegie Mellon University's Roberto R. Gil and Rongchao Jin have successfully used NMR to analyze the structure of infinitesimal gold nanoparticles, which could advance the development and use of the tiny ...
Nanotechnology / Bio & Medicine
Dec 08, 2011 |
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'Left-handed iron corkscrews' point the way to new weapon in battle against superbugs like MRSA
Scientists at the University of Warwick have taken inspiration from corkscrew structures found in nature to develop a new weapon in the fight against infections like E-coli and MRSA.
Nov 28, 2011 |
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Scientists develop the most advanced computer model to-date of the scattering of polarized light from chiral molecules
(PhysOrg.com) -- An international research team has described the first calculations of Raman optical activity (ROA) spectra using coupled-cluster theory one of the most reliable quantum chemical methods ...
Chemistry / Analytical Chemistry
Oct 04, 2011 |
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Building better catalysts: Chemists find new way to design important molecules
(PhysOrg.com) -- University of Utah chemists developed a method to design and test new catalysts, which are substances that speed chemical reactions and are crucial for producing energy, chemicals and industrial products. ...
Sep 29, 2011 |
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Mathematicians, biologists explain why vertebrate intestines are so predictably loopy
Between conception and birth, the human gut grows more than two meters long, looping and coiling within the tiny abdomen. Within a given species, the developing vertebrate gut always loops into the same formationhowever, ...
Aug 10, 2011 |
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List of search results for left handedness