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TIL that a black hole is a sphere. Not sure why I didn’t think of that before, but the 2D pictures I’ve seen all my life didn’t help 😂

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kJrR5 TIL of Emperor Pedro II, the last monarch of Brazil. He reigned 58 years, during which he championed civil rights, promoted education and science, won 3 wars, and abolished slavery. He allowed an unpopular coup d'etat against himself because he was tired of being emperor.
wlL7 TIL an Archerfish rotates its eyes to lock onto prey (i.e. insects), has its lips break the surface, and squirts a jet of water. It contracts its gills so the water at the rear travels faster than at the front, causing it to become a blob directly before impact. They can shoot prey 3-6 feet away.
NDWE TIL after President Woodrow Wilson suffered a severe stroke in Oct. 1919 his wife (Edith Wilson) began to screen all matters of state and decided which to bring to the bedridden president. In doing so, she de facto ran the executive branch of the government for the remainder of Wilson’s second term.
JYNg4 TIL that the term "Going Postal" originated in the USA in 1990s following a several incidents from 1986 onward, in which individuals working for the United States Postal Service workers shot and killed fellow workers and members of the public.
grYEy TIL that microwaving 2 grapes can result to explosion. Disclaimer: Don't try this at home.