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Minority rules: Scientists discover tipping point for the spread of ideas - 1 views

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    ScienceDaily (July 26, 2011) - Scientists at Rensselaer Polytechnic Institute have found that when just 10 percent of the population holds an unshakable belief, their belief will always be adopted by the majority of the society. The scientists, who are members of the Social Cognitive Networks Academic Research Center (SCNARC) at Rensselaer, used computational and analytical methods to discover the tipping point where a minority belief becomes the majority opinion. The finding has implications for the study and influence of societal interactions ranging from the spread of innovations to the movement of political ideals.
thinkahol *

Scientists create stable, self-renewing neural stem cells - 1 views

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    ScienceDaily (Apr. 26, 2011) - In a paper published in the April 25 early online edition of the Proceedings of the National Academy of Sciences, researchers at the University of California, San Diego School of Medicine, the Gladstone Institutes in San Francisco and colleagues report a game-changing advance in stem cell science: the creation of long-term, self-renewing, primitive neural precursor cells from human embryonic stem cells (hESCs) that can be directed to become many types of neuron without increased risk of tumor formation.
thinkahol *

Blood-vessel cells can combat aggressive tumors: MIT scientists | KurzweilAI - 3 views

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    MIT scientists have discovered that endothelial cells, which line the blood vessels, secrete molecules that suppress tumor growth and keep cancer cells from invading other tissues, a finding that could lead to a new way to treat cancer.

thinkahol *

Scientists say dolphins should be treated as 'non-human persons' - Times Online - 0 views

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    Dolphins have been declared the world's second most intelligent creatures after humans, with scientists suggesting they are so bright that they should be treated as "non-human persons".

thinkahol *

Many coastal wetlands likely to disappear this century, scientists say - 0 views

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    ScienceDaily (Dec. 1, 2010) - Many coastal wetlands worldwide -- including several on the U.S. Atlantic coast -- may be more sensitive than previously thought to climate change and sea-level rise projections for the 21st century.
thinkahol *

Berkeley Lab scientists open electrical link to living cells | KurzweilAI - 0 views

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    Scientists with the Lawrence Berkeley National Laboratory (Berkeley Lab) have designed an electrical link to living cells engineered to shuttle electrons across a cell's membrane to an external acceptor along a well-defined path. This direct channel could yield cells that can read and respond to electronic signals, electronics capable of self-replication and repair, or efficiently transfer sunlight into electricity.
thinkahol *

Scientists suggest that cancer is purely man-made | KurzweilAI - 1 views

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    Cancer is a modern, man-made disease caused by environmental factors such as pollution and diet, a study by University of Manchester scientists has strongly
thinkahol *

Scientists identify DNA that may contribute to each person's uniqueness | KurzweilAI - 0 views

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    Building on a tool that they developed in yeast four years ago, researchers at the Johns Hopkins University School of Medicine scanned the human genome and discovered what they believe is the reason people have such a variety of physical traits and disease risks.
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