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TIL The smell of cut grass is an SOS calling beneficial insects like parasitic wasps to help resist plant attacks

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via reddit.com

mx77O TIL that while living in the White House President Benjamin Harrison had two opossums named Mr. Reciprocity and Mr. Protection.
mrKP TIL Ray Bradbury, author of Fahrenheit 451, has long maintained his iconic work is not about censorship, but ‘useless’ television destroying literature. He has even walked out of a UCLA lecture after students insisted his book was about censorship.
Br5x TIL: On this date in 1877, Thomas Edison suggests using the word hello as a telephone greeting. The idea catches on.
9YD4G Today I learned that the bagger 293 existed, a 315 foot tall, 738 foot long construction vehicle used to mine coal. It moves 8,500,000 cu ft of earth a day using a 70 foot long circular saw bucket mechanism.
4kkkR TIL about wordnesia, when familiar words suddenly seem like the strangest things. It occurs when you can’t spell the simplest words or words look strange after you write them.