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Cake day: October 31st, 2023

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  • You also lose salts sweating, so if you drink water, sweat, and don’t replace salts in your blood the inside now saltier parts of your body (like your brain) can pull water out of your blood and swell up, and your brain is trapped in your skull and has nowhere to expand to. Even if you lose lots of water sweating you can still get edema from too much water. You also lose water to respiration which doesn’t take salts with it.

    I’ve never been super careful about it exercising. I just drink only when I’m thirsty, and hate the taste of gatorade, so if gatorade tastes good I drink that until it doesn’t, and if it doesn’t taste good and I’m thirsty I drink water. Or if my pee isn’t clear I drink water.






  • Most crosswalks in the US are not marked, and in all places I’m familiar with vehicles must stop or yield to pedestrians at unmarked crosswalks.

    At unmarked crosswalks and marked but uncontrolled crosswalks we have to handle the situation with social cues about which direction the pedestrian wants to cross the street/road/highway and if they will feel safer crossing the road after a vehicle has passed than before (almost always for homeless pedestrians and frequently for pedestrians in moderate traffic).

    If waymo can’t figure out if something intends or is likely to enter the highway they can’t drive a car. Those can be people at crosswalks, people crossing at places other than crosswalks, blind pedestrians crossing anywhere, deaf and blind pedestrians crossing even at controlled intersections, kids or wildlife or livestock running toward the road, etc.













  • I don’t draw, but I think a lot of the facial sexual dimorphism in people isn’t real. The same features that appear masculine in some populations or cultures appear feminine in others. A bunch of recognizing masculinity or femininity is probably based on archetypes and other signaling features.

    In western media women are presented as younger than men, so lots of the features we recognize as feminine like having a smaller nose are really features of being younger. (And also why nose jobs are popular - not only do they make you match a societal beauty standard, they also make you look like your own memories of yourself)

    The really observable facial secondary sex characteristics are darkening of hair pigmentation and increased sebum production in men. In art those would probably show up more in shading than line drawing. Feminine makeup in response to those things is kind of a mixed batch. There’s adding shading to the face in places that wouldn’t be darkened by facial hair, like cheeks or under the eyes, which might exaggerate sex linked appearance. Similarly trimming eyebrows to reduce the appearance of darkened facial hair. But there’s also markup to darken and thicken eyebrows, makeup to lighten cheeks instead of darken them, and makeup to add a more oily, glowing appearance.