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TIL the sun is made up of plasma where hydrogen accounts for about 73.4% of the total mass or 92% of the total number of atoms. The other basic building block is helium, which accounts for 25% of the mass or 7.8% of the total number of atoms. Every second 6 million tons of hydrogen turns into helium

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a8V4y TIL that the Boy Scouts of America was founded in 1910, and was actually based on a similar Boy Scout movement that had began in England just a couple of years prior.
PVeZ TIL that the silent horror film “The Unknown” (1927) was missing for many years in the archives of Cinematheque Francaise because they had hundreds of film cans marked “unknown”.
16gmr TIL JASON is an independent group of elite scientists which advises the United States government on matters of science and technology, mostly of a sensitive nature. The group was created in the aftermath of the Sputnik launch.
B47b TIL Robert Hansen, a serial killer who was active in the early 1980s, would kidnap women and release them in Alaska’s Knik River Valley. He would then hunt them, armed with a knife and a Ruger Mini-14 rifle.
R70da TIL drug lord Pablo Escobar turned himself in to the authorities on the condition (other than not being extradited to the U.S.) that he would build the prison himself and choose his own guards. The "prison" also featured a football pitch, giant doll house, bar, jacuzzi among other amenities.