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2

TIL mitochondria have their own DNA, separate from the DNA in a cell’s nucleus.

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jXaN TIL that the billions of galaxies we can see may only represent about 3% of total number out there
Vde8 TIL Leonardo da Vinci not only conceptualized the world’s first self-propelled vehicle and crank-powered armored car (tank), but also possibly constructed the world’s first humanoid robot - more than 500 years ago.
M78QK TIL During the funeral of William Sherman, Joseph Johnston served as pallbearer. He kept his hat off in respect despite rainy weather; when told to put on his hat, he refused on the idea Sherman would not put on a hat at Johnston's funeral. He died the next month due to the cold caught that day.
XQN6 TIL of a tree native to Mexico with the common name “Gringo Tree” named so because it’s skin bark starts off white, turns red, and then flakes off much like tourists that visit the country.
Opwg TIL that Pepsi was one of the first to advertise directly to African-Americans, with advertisements in the 1940s portraying them as “self-confident middle-class citizens”, as well as the hiring of an all-black sales team to promote Pepsi around the country.