› added 4 years ago

405

TIL that meerkats are less altruistic but more egoistic.

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Pkle TIL that panthers are not a real species, they are jaguars and leopards who have melanism, which is the opposite of albinism.
l75aN TIL that any point that can be constructed using compass and straightedge, can also be constructed using compass alone 🤯
N7dKe TIL tennis balls were traditionally black or white. They were changed to yellow in 1972 after research showed they were more visible on television.
41mb TIL in 2012, inmates working in a Vermont prison print shop altered the official Vermont Police Crest to include the hidden image of a pig. The altered decals adorned 30 police cruisers for a year before anybody noticed.
JYoP8 TIL in 1776, all US states were slave states. It wasn't until 1780 that a US state, Pennsylvania, ended slavery.