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Schizophrenia takes fatal turn in China
Suicides among people with schizophrenia are a major public-health concern in China.
- Anthropology
Ancient head case
A 1.8-million-year-old Homo erectus skullcap came from a 1-year-old child whose brain grew at a rate more like that of chimpanzees than of people.
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19464
I was pleased to read that one of the most mathematically pretty sphere-stacking arrangements (the lovely 24-cell) occurs in four dimensions. The nice thing about four dimensions is that, by letting time be one dimension and using a good three-dimensional computer-graphics package, the arrangement can be viewed on a computer. Dan RyanPhiladelphia, Pa.
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