› added 4 years ago

156

TIL That male ducks doesn't quack.

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via reddit.com

VMrVD TIL the Washington monument was constructed in 2 phases separated by over 2 decades, due to funding issues. The stones used in the 2nd phase was different from the one used earlier. Though they looked similar then, the stones have aged differently and the difference is clearly visible now.
pYa94 TIL: Mockingbirds can remember people who have threatened them and even start dive-bombing them if they see the person again. This finding is the first published account of wild animals in their natural setting recognizing individuals of another species.
awpr9 TIL that fake oil paintings can be detected because of nuclear bombs detonated in 1945 because of the fact that isotopes such as strontium-90 and cesium-137 that can be found in oil did not exist in nature previously. If a picture contains these isotopes, it is certainly painted after year 1945
l7lRV TIL that David Bowie wrote 'Life on Mars' because he was pissed at Frank Sinatra and the success of 'My Way'
xVnMB TIL in 2018, NYC had a period where (for the first time ever) it had a lower murder rate than London, causing many people to believe London became more dangerous. In truth, it was likely heavy snow that caused the lower rate in NYC. By the end of the year, NYC had double the murder rate.