Laughter studied as social signal says science matters
Scientist Robert Provine explains laughter is mainly a social behavior not a joke response. He notes universal patterns across languages, with laughter produced by a brain pattern generator and common timing of ha sounds.
Laughter Across Species Aids Brain Research
Provine notes laughter arises from social interaction not senses. Panksepp cites chimps and rats laughing when tickled, with rat laughter linked to antidepressant growth factor. Burgdorf suggests similar brain chemistry in humans, offering new drug targets for depression and anxiety.
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Panksepp
Northwestern University Biomedical Engineering
Jeffrey Burgdorf
Killer of Kansas abortion doctor faces life sentence
The man who killed Dr. George Tiller faces a mandatory life term as Kansas moves to tighten abortion rules. Tiller’s Wichita clinic closed leaving the state with no facility for late term procedures beyond 21 weeks. Some doctors consider opening elsewhere, while lawmakers push new restrictions.
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End of life care decisions 25 percent of elderly need help
A New York AP report notes more than one in four elderly will require someone to make medical care decisions. The study shows living wills and appointed decision makers lead to care aligned with the patient's preferences, with few choosing heroic measures. The finding is the first accounting of this need amid health reform debates.
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New York
Pope sees sex scandal as test facing church reform push
Pope Benedict XVI calls the priestly sex scandal a test for him and the church as European bishops announce new pledges of transparency. Swiss, Danish, German, Austrian leaders urge victims to come forward, open lines to help, and formal inquiries. Lombardi says the pope remains steadfast during Holy Week.
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