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Science and Technogy hyperlinks (June 3 2023) – Daniel Lemire’s weblog

Science and Technogy hyperlinks (June 3 2023) – Daniel Lemire’s weblog

2023-06-03 17:02:01

    1. There are fewer serial killers as of late. Some suggests it is due to better forensic techniques: we catch the killers sooner and extra effectively.
    2. Between the beginnings of the Net (1996) and at the moment, the household Internet connection bandwidth got over 5000 times faster. Thus what took practically two hours of obtain time again then can now be downloaded in a second.
    3. Managers make a distinction: The abilities of retail store managers explain most of the store-to-store variability in productivity.
    4. Rausch et al. report that the most recent era of faculty college students favours emotional well-being, and is much less interested by educational rigor.
      However feminine and male college students differ in what they favour. Males are inclined to worth educational freedom, whereas females worth emotional well-being.
    5. Switching away from sugar-sweetened beverage to water or unsweetened beverage had little impact over a twelve-week interval. Nonetheless, switching to water had a big impact in that it cut back how a lot folks sought sugar. I’ve switched my very own eating regimen away from sugar a few years in the past, and I discover sugar in espresso offensive. This can be stunning to some however sugar is an acquired style.
    6. Giving old mice both glycine and N-acetylcysteine (NAC) reverses age-associated cognitive decline. Glycine is an affordable and secure complement which you’ll take proper now. NAC can be out there as a complement.
    7. The speed at which individuals die of a coronary heart assault has fallen massively: Researchers discovered the general charge of loss of life from coronary heart assault, adjusted for age, fell from about 87 deaths per 100,000 folks in 1999 to about 38 deaths per 100,000 folks in 2020. (source) Sadly, there was a setback through the pandemic period.
    8. There is ongoing research to find out why some dogs tilt their head when hearing a verbal command.
    9. Eat much less is likely to be an efficient manner to enhance your cardiovascular well being: Weight loss was found to promote atherosclerosis resolution independent of plasma cholesterol. It appears that evidently as you cut back your meals consumption, macrophages assist filter your arteries, a minimum of if you’re a mouse.
    10. Consuming large volumes of vitamin C might clear your allergies (speculative).
    11. White people tend to avoid Black people on the street in New York Metropolis.
    12. About 12% of total atmospheric CO2 in 2018 was due to fossil fuels.
    13. Organic agriculture could support up to 4.7 billion human beings. There are 8 billion folks on Earth at the moment.
    14. An increase in regulatory costs results in lower sales for small firms, and higher sales for large firms. In different phrases, authorities rules result in market focus within the fingers of fewer giant gamers.
    15. Start-up founders who are low in conscientiousness are at disavantage when first raising capital, but they have an overall advantage when it comes to success.

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