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  • 531 Posts
  • 602 Comments
Joined 11 months ago
Cake day: August 5th, 2023
  • jimmydoreisalefty@lemmy.worldtoToday I Learned@lemmy.world•TIL humans are the only animal with a chin. We aren't sure why.English
    383·
    17 hours ago

    “If you’re looking across all of the hominids, which is the family tree after the split with chimpanzees, there [are] not really that many traits that we can point to that we can say are exclusively human,” Duke University’s James Pampush tells Robert Siegel for NPR. “[T]hose animals all walked on two legs. The one thing that really sticks out is the chin.”

    One of the most popular ideas is that our ancestors evolved chins to strengthen our lower jaws to withstand the stresses of chewing. But according to Pampush, the chin is in the wrong place to reinforce the jaw. As for helping us speak, he doubts that the tongue generates enough force to make this necessary. A third idea is that the chin could help people choose mates, but sexually selective features like this typically only develop in one gender, Pampush tells Siegel.

    The spandrel hypothesis is as good a theory as any, but it too has its problems. It’s hard to find evidence to test if something is an evolutionary byproduct, especially if it doesn’t serve an obvious function. But if researchers one day do manage to figure out where the chin came from, it could put together another piece of the puzzle of what makes us different from our primate and Neanderthal cousins, Yong writes.

  • jimmydoreisalefty@lemmy.worldtoNews@lemmy.world•'Black Americans for Trump' event a 'major bust' that featured 'a sea of white people'
    527·
    3 days ago

    Edit: grammer and phrasing, improved a bit

    Edit2: removed, “People showing up to rallies is one thing, but l”, explaining zip code differences, not mentioned in article, it would be interesting to see data though

    Let us not delude ourselves into thinking that the polls do not show differences when looking at poll data from 2020 vs. 2024.

    Let us see if certain groups of people who supported Joe in 2020 will be showing up to vote in November 2024.

    It is not just Black Americans or Latino Americans where we are seeing a shift when looking at 2020 vs. 2024 data.

    It seems to be a barebones article, but it does have some information:

    “The roundtable setup featured Representative (and Trump V.P. wannabe) Byron Donalds, former Trump Housing and Urban Development Secretary Ben Carson, and Representative Wesley Hunt in attendance,” she writes. “The seats were positioned in a semi-arc facing a gaggle of cameras and sea of white people, and everyone looks abundantly unenthused to be there.”

    Jane goes on to explain how the Atlanta event was just one of a string of failed Black voter outreach efforts.

    “In May, Trump hosted a small rally in the Bronx to gin up the Black vote after an even smaller appearance at a Harlem bodega in April,” she writes. “And in June, Trump appeared at a Black church in Detroit before skipping off to a white nationalist convention. The church stunt was a flop: At least half the audience was white, none of the attendees reporters spoke with were actual congregants, and the megachurch’s pastor said people laughed in his face when he scrambled to find people to fill the pews for the event.”

  • jimmydoreisalefty@lemmy.worldtoToday I Learned (TIL)@lemmy.ca•TIL birds don't pee
    81·
    4 days ago

    I decided to quote additional information from the source above, for those curious:

    What makes bird poop white?

    As birds do not have separate organs for urinating and defecating, all waste is excreted through one single opening called a cloaca. The cloaca serves as an entrance for reproductive purposes, for laying eggs, and as an exit point for excretion of bodily waste. The white sticky paste pooped by birds is uric acid, the equivalent of pee for birds.

    What type of bird poops white?

    The droppings of all bird species will contain some extent of the white uric acid component, but the rest of the feces may also be colored according to the bird’s diet.

    Is bird poop toxic to humans?

    Bird poop carries more than 60 different diseases, the majority of which are connected to parasitic infections, including ringworm, chicken mites and bed bugs.

    Is it good luck to have a bird poop on you?

    The superstition is said to have originated in Russia, where many people believe that the chances of getting pooped on are so low that it must mean that good fortune lies ahead. If a bird poops on your head, then you are truly blessed.

    Can bird poop make you blind?

    If you get bird poop in your eye, it may cause discomfort and itching, and it’s recommended to rinse it with clean water as soon as you can. Health risks from contact with bird poop are very rare but can have serious consequences. It’s important to seek medical advice if you are concerned.

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