Neuron Cell Stickiness May Hold Key to Evolution of the Human Brain
Nov 02, 2006 |
4.1 / 5 (15) |
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The stickiness of human neurons may have been a key factor in why the human brain evolved beyond the brains of our primate relatives. In a study comparing the genomes of humans, chimpanzees, mice and other vertebrates, researchers ...
Scientists investigate unusual ocean conditions along the U.S. West Coast
Space & Earth / Earth Sciences
Nov 02, 2006 |
4.6 / 5 (12) |
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For two years in a row, ocean life along the U.S. West Coast has suffered from the delayed appearance of conditions that normally support a highly productive marine environment. Instead of the usual upwelling of cold, nutrient-rich ...
Political-Genetic Theory Is Studied
Nov 02, 2006 |
2.8 / 5 (18) |
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(AP) -- Politics may not be in the blood, but it could be in the genes. That's the theory a team of political scientists and geneticists is trying to prove with extensive studies of twins, genes and brain scans.
Chronic stress affects attention by altering neuronal growth in the brain
Nov 02, 2006 |
4.2 / 5 (12) |
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Anxiety and depression can make a person feel as if he’s battling his own brain, complete with wounds and scars. Traumatic events — war, divorce, the death of a loved one — can trigger these disorders, and ...
Mechanical 'artificial hearts' can remove need for heart transplant by returning heart to normal
Nov 02, 2006 |
4 / 5 (12) |
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Mechanical 'artificial hearts' can be used to return severely failing hearts to their normal function, potentially removing the need for heart transplantation, according to new research.
Chemists make tiny molecular rings with big potential
Nov 02, 2006 |
3.9 / 5 (12) |
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Ohio State University chemists have devised a new way to create tiny molecular rings that could one day function as drug delivery devices or antibiotics.
Platinum cages: Liposomes as blueprints for hollow platinum nanospheres
Nanotechnology / Nanomaterials
Nov 02, 2006 |
3.8 / 5 (12) |
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It looks like lather under an electron microscope: American researchers have successfully produced porous, nanoscopic, hollow platinum spheres by using liposomes as blueprints.
U of T home to first molecular printer in Canada
Nanotechnology / Bio & Medicine
Nov 02, 2006 |
4.1 / 5 (9) |
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Think of it as a miniscule dot-matrix printer that uses biological ink. Students and faculty at the University of Toronto’s Institute for Optical Sciences (IOS) will have access to the Nano eNabler, the first benchtop molecular ...
Funnel in the eye: Signal focusing increases photosensitivity
Nov 02, 2006 |
4.6 / 5 (7) |
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In poor light the eyes of mice react like some digital cameras: they reduce their resolution while at the same time increasing their sensitivity. Specialists in the retina focus the information of several light sensor cells ...
Icelandic swarms may provide hints on ecosystems
Biology /
Nov 02, 2006 |
4.3 / 5 (7) |
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Wisconsin ecologists have ventured into remote parts of Iceland to explore a startling phenomenon in which trillions of gnat-like bugs periodically rise up to form hovering swarms so thick they resemble waves ...
'Macho man' heroes created for war: Historian
Nov 02, 2006 |
2.5 / 5 (11) |
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The veneration of macho men originates from concerns about the readiness of mollycoddled middle class men to stand up for their nations in the 18th and 19th centuries, an Australian National University historian argues.
Robotic Boat Geared to Simplify Life for Scientists
Nov 02, 2006 |
3.5 / 5 (8) |
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Though it looks like a miniature yellow catamaran, a craft designed by professors and students at Rowan University is not your father’s toy boat.
A walk along an interface yields its mobility
Nov 02, 2006 |
4.2 / 5 (6) |
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In the October 27th issue of Science, researchers at Colorado School of Mines and Northeastern University report a novel computational methodology aimed at quantifying the kinetics of interfaces in diverse material system ...
Rare transit of Mercury
Nov 02, 2006 |
3.5 / 5 (6) |
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Scientists from Williams College and the University of Arizona observed Mercury in front of Venus from vantage points on earthbound mountains and with orbiting spacecraft on Wednesday.
Using an activated-carbon filtering pitcher significantly reduces chemicals in tap water
Nov 02, 2006 |
2.8 / 5 (6) |
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A study conducted by Universite Laval researchers concludes that using an activated-carbon filtering pitcher is the most effective way to reduce disinfection by-products in tap water. The results of the study, funded by the ...
