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Cake day: December 21st, 2024

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  • A cold-stimulus headache is thought to be the direct result of the rapid cooling and rewarming of the capillaries in the sinuses leading to periods of vasoconstriction and vasodilation. A similar, but painless, blood vessel response causes the face to appear “flushed” after being outside on a cold day. In both instances, the low temperature causes the capillaries in the sinuses to constrict and then experience extreme rebound dilation as they warm up again.[13]

    In the palate, this dilation is sensed by nearby pain receptors, which then send signals back to the brain via the trigeminal nerve, one of the major nerves of the facial area. This nerve also senses facial pain, so as the neural signals are conducted the brain interprets the pain as coming from the forehead—the same “referred pain” phenomenon seen in heart attacks. Brain-freeze pain may last from a few seconds to a few minutes. Research suggests that the same vascular mechanism and nerve implicated in “brain freeze” cause the aura (sensory disturbance) and pulsatile (throbbing pain) phases of migraines.[14]

    https://en.wikipedia.org/wiki/Cold-stimulus_headache

    I think it is the cooling of the top of the mouth, not the teeth.




















  • If you take any country that was analysed in this study and look at the distribution of reading comprehension levels in it, the distribution will look roughly the same: those with high socio-economic status (relative to the rest of the population) get high scores, and the poorest tend to get the worst scores.

    Not necessarily, it looks like countries fall into three categories: egalitarian outcomes, ones where wealth correlates closely with results and finally where results improve with wealth until you go from upper middle class to upper class, where results fall off.

    It’d be interesting to know what the public attitude to reading and education in general in the analysed countries is and how that interacts with economic factors. Students’ in-school performance is often influenced by their parents’ attittude towards eduction (e.g. education as a means to an end vs education having intrinsic value even without any specific ends), and I wonder how big the impact of society’s attitudes is when compared to economic factors.

    The article mostly correlates it with state level income

    There is a second key insight from this research that is worth highlighting: the average income level of the country is more important for a student’s learning than the income of the particular family within that country.9

    For example, look at the test results of the poorest students in Korea or Finland. The poorest Korean or Finnish students are poorer than the rich students in Brazil, but their math scores are much higher.

    But the drop off for the upper class would indicate that social factors also influence outcomes.











  • Hey guys, did you know that in terms of human companionship, Flareon is objectively the most huggable Pokemon? While their maximum temperature is likely too much for most, they are capable of controlling it, so they can set themselves to the perfect temperature for you. Along with that, they have a lot of fluff, making them undeniably incredibly soft to touch. But that’s not all, they have a very respectable special defense stat of 110, which means that they are likely very calm and resistant to emotional damage. Because of this, if you have a bad day, you can vent to it while hugging it, and it won’t mind. It can make itself even more endearing with moves like Charm and Baby Doll Eyes, ensuring that you never have a prolonged bout of depression ever again.