Top Clips on Monday, August 11, 2008

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Complex decision? Don't sleep on it
Silkweaver
by Silkweaver  8-11-2008    4
  Since its publication two years ago by a Dutch research team in the journal Science, the earlier finding had been used to encourage decision-makers to make "snap" decisions (for example, in the best-selling book Blink, by Malcolm Gladwell) or to leave complex choices to the powers of unconscious thought ("Sleep on it", Dijksterhuis et al., Science, 2006). But in the new study, to be published in The Quarterly Journal of Experimental Psychology, scientists ran four experiments in which participants were presented with complex decisions and asked to choose the best option immediately ("blink"), after a period of conscious deliberation ("think"), or after a period of distraction ("sleep on it"), which is claimed to encourage "unconscious thought processes". In all experiments, there was some evidence that conscious deliberation can lead to better choices and little evidence for superiority of choices made "unconsciously".
30
POPS
Kites could provide electricity for 100,000 homes
Silkweaver
by Silkweaver  8-10-2008    3
 Several other scientists are investigating the use of kites to harness energy from the wind - which some researchers estimate provides more than 100 times the amount required to power the entire planet. In 2007, Google´s philanthropic arm invested about $10 million in a US kite company called Makani. An Italian company called Kitegen has a multi-kite scheme that could generate a gigawatt of power, as much as a standard coal plant.
32
POPS
SCIENTISTS SHOW HALLUCINOGEN CREATES UNIVERSAL “MYSTICAL” EXPERIENCE
Silkweaver
by Silkweaver  8-10-2008    6
 in the 1950s, showed signs of therapeutic potential or value in research into the nature of consciousness and sensory perception. “Human consciousness…is a function of the ebb and flow of neural impulses in various regions of the brain-the very substrate that drugs such as psilocybin act upon,” Schuster says. “Understanding what mediates these effects is clearly within the realm of neuroscience and deserves investigation.” “A vast gap exists between what we know of these drugs-mostly from descriptive anthropology-and what we believe we can understand using modern clinical pharmacology techniques,” says study leader Roland Griffiths, Ph.D., a professor with Hopkins’ departments of Neuroscience and Psychiatry and Behavioral Biology. “That gap is large because, as a reaction to the excesses of the 1960s, human research with hallucinogens has been basically frozen in time these last forty years.”
34
POPS
How China Created 2008 Olympic logo
willhelm
by willhelm  8-9-2008    4
 No Remarks
23
POPS
An Artificial Pancreas
Mohir
by Mohir  8-10-2008    3
 No Remarks
19
POPS
Neurogenesis and Brain Plasticity in Adult Brains
Silkweaver
by Silkweaver  8-10-2008   
 Elkhonon Goldberg, neuroscientist and co-founder of SharpBrains, discussing Brain Plasticity and Cognitive Fitness, pointed out that “as we age, our expert knowledge remains strong, and our capacity for solving problems within our areas of expertise can often exceed that of those who are younger.” He further employed us to “turn neuroplasticity to your advantage” by: • welcoming novel challenges • beware of being on mental autopilot • remain cognitively active
15
POPS
Scientists stop the aging process.
pokkets
by pokkets  8-11-2008    2
 Perhaps suspend. In a mouse liver. The findings linked aging to the ability of cells to expel toxins,which when not removed cause a buildup which results in degeneration. The degeneration then reducing the ability to remove toxins. The toxins that are removed are generally natural, but I don't know how the results would extend to artificial toxins which are leeching through our environments.
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