Science and Technology links (May 25 2024)

  1. Artificial intelligence is far more efficient at producing content than human beings, as far as carbon emissions go.
  2. Human brains got larger by over 5% between 1930 and 1970.
  3. Replacing plastics by ‘environment friendly’ alternatives typically results in greater greenhouse gas emissions.
  4. Prostate-specific antigen screening has only a small effect on men’s risk of dying in absolute terms.
  5. Local exposure to poor individuals reduces support for redistribution among the well-off. In other words, wealthy people are more likely to favor government programs helping the poor if they never see poor people.
  6. Happier looking people are judged better. If you want to be viewed as a good person, make sure you appear happy.
  7. Females mount stronger immune responses to many pathogens, they awaken more frequently at night, they express greater concern about physically dangerous stimuli, they exert more effort to avoid social conflicts, they exhibit a personality style more focused on life’s dangers, they react to threats with greater fear, disgust and sadness and they develop more threat-based clinical conditions than males. (Benenson et al.).
  8. The Lincoln sea, the sea North of Greenland, was ice free about 10,000 years ago.
  9. ADHD and autism referrals up fivefold in 2023 in the UK. It is unclear why that is, but over diagnosis is a possibility.
  10. We believe that one of the earliest city might have been in modern-day Turkey, about 9,000 years ago.
  11. About 20,000 years ago, sea levels were over 100 meters lower, as we were in the last glacial maximum.
  12. High-intensity strength training exercises are an effective means to preserve bone density while improving muscle mass, strength, and balance in postmenopausal women.
  13. The average American is willing to pay over 500$ to get a 3-month exemption from a medical mask mandate.
  14. Experiencing nature leads to healthier food choices.
  15. Australia is getting greener, rapidly.
  16. When you lose weight, you spend less energy. However, if you consume relatively more fat or protein during the weight loss, you tend to use more energy.
  17. Trees are getting bigger.
  18. Sun exposure may improve your health.
  19. They are conducting a clinical trial for tooth regrowth technology in Japan.

Daniel Lemire, "Science and Technology links (May 25 2024)," in Daniel Lemire's blog, May 26, 2024.

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Daniel Lemire

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

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