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    [–] TIL adoptions of African children by US parents have saved hundreds of lives because of the increased life expectancy of American children globehater 1 points ago in todayilearned

    Our research shows that adoption can even save lives. We examined mortality figures for children under the age of 5 in Ethiopia and Guatemala and found that adoptions to the U.S. likely prevented the deaths of more than 600 children between 2005 and 2011.

    [–] TIL Andrew Carnegie gave away more than 90% of his wealth, with much of it going to found 2509 public libraries at an inflation-adjusted cost of more than $1.3 billion globehater 597 points ago in todayilearned

    Carnegie was in favor of high estate taxes on those who didn't give money away.

    Carnegie built 2,509 libraries in the late 19th and early 20th centuries, 1,679 of them across the U.S. in nearly every state. All told, he spent US$55 million of his wealth on libraries. Adjusted for inflation, that would top $1.3 billion today.

    [–] TIL psychologists blame "unethical amnesia" for the fact that shoppers are much less likely to remember negative information about a product ("made with child labor") than positive information ("fairly traded") globehater 1 points ago in todayilearned

    recent psychological research suggests that people experience “unethical amnesia” – a tendency to forget when they have behaved unethically in the past.

    In a series of studies described in an article published in the Journal of Consumer Research, we explored why consumers’ memories might fail them when it comes to recalling whether products are ethical. It turns out that there is a predictable pattern for what consumers are likely to remember (or forget) about the ethicality of products.

    [–] TIL the 15th century Islamic mosaics in Spain's Alhambra palace display a near-perfect understanding of mathematical logic and 16 of 17 types of symmetry identified by modern mathematicians globehater 45 points ago in todayilearned

    what’s fascinating about such Islamic tilings is that the work of anonymous artists and craftsmen also displays a near-perfect mastery of mathematical logic. Mathematicians have identified 17 types of symmetry: bilateral symmetry, rotational symmetry and so forth. At least 16 appear in the tilework of the Alhambra, almost as if they were textbook diagrams.

    The patterns are not merely beautiful, but mathematically rigorous as well. They explore the fundamental characteristics of symmetry in a surprisingly complete way. Mathematicians, however, did not come up with their analysis of the principles of symmetry until several centuries after the tiles of the Alhambra had been set in place.

    [–] Reddit took in $50 Million during a fundraiser. One of the investors is Thrive Capital run by Joshua Kushner (brother to Jared Kushner) globehater 10 points ago in Blackfellas

    Joshua Kushner also runs a health insurance company that actively supports Obamacare:

    I do believe we can all hate Jared and find him a danger to the country (and incompetent) without worrying about what reddit is going to do with his brother's money. I've seen no substantive evidence that Joshua has had any involvement at all in the cesspit of a family in the White House.

    [–] TIL Chinese toddlers traditionally wore split-crotch pants instead of diapers, so they could go whenever they needed to and didn't need changing globehater 4 points ago in todayilearned

    Chinese grandmothers would be appalled. They’d likely point out that with “split pants,” most kids are trained by age two. This traditional wardrobe item features an opening along the crotch seam, allowing children to urinate and defecate freely without soiling their clothes. These garments remain the pants style of choice for toddlers living in the Chinese countryside.

    [–] Does anyone know what is replacing the star market in Central Sq? globehater -1 points ago in boston

    Hannaford/Shaw's, the company that owns Star, has been phasing them out for years - the remaining Star Markets are all older and smaller. So they may be using the rent increase as an excuse.