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TIL zookeepers make "bloodcicles" for big cats during the summer

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4Xpb5 TIL White chocolate is white because it doesnt contain cocoa solids. Instead it is made from cocoa butter (the fatty part). As a result, one can tell that the more yellowy white chocolate is actually better quality than the white chocolate.
yQMal TIL when a Dutch columnist proposed making an artificial mountain 2 kilometres tall and 5 kilometres wide, the Eindhoven University of Technology actually calculated the cost of such a project. It turned out that the potential cost of the mountain would be up to 7 trillion euros.
78r0O TIL Uber developed a secret program called "Greyball" to avoid lawsuits, Uber would try to identify government officials and give them a fake version of the Uber app that showed inaccurate information about driver locations and didn't allow any rides to be hailed.
yQNYw TIL that an escaped slave, Bass Reeves, was the phenomenal man who inspired The Lone Ranger!
4eE5 TIL that the planet Saturn radiates 2.5 times more energy into space than it receives from the Sun.