Science and Technology links (November 16th 2019)

    1. We have new technology to do genetic engineering on human beings (CRISPR). In a small clinical trial, the researchers tested it on live human subjects and found it to be safe.
    2. Girls and boys have a similar intelligence according to psychometric tests, but girls do much better in school, and this is not due to their better verbal ability.
    3. Being illiterate is associated with dementia and cognitive decline in old age.
    4. Dumber people tend to smoke more cannabis, but cannabis itself does not appear to make people dumber.
    5. We transplanted pig skin onto human beings.
    6. A large fraction of Ph.D. students seek psychological help for anxiety and depression. The students often blame the Ph.D. supervisors.
    7. Researchers have apparently been able to reverse aging in the eye of old mice. The mice eyes can then recover from a crushed nerve and from glaucoma.

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Daniel Lemire

A computer science professor at the University of Quebec (TELUQ).

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