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TIL Cats are the most popular pets in the world and that 1 out of every 3 American households have one.

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KOb6a TIL that while yellow is a primary color for paint it is not a primary color for light. This is why we have RGB lights and not RYB.
VDM8 TIL two MIT grads are designing a nuclear power plant that can use nuclear waste as a source of fuel, produce 75 times more energy per ton of fuel, and utilize 96% of supplied fuel, vs only 4% used with traditional designs. It will also be virtually accident proof and cheap to build.
woAB8 TIL about the Cerutti Mastodon Site. A site that some researchers claim shows evidence of some type of hominid living in N. America ~130,000 years ago. The previous estimate was only ~24,000 years ago.
VMPmQ TIL In 1996 The cast of Frasier conducted an alcoholism intervention at Kelsey Grammer's home after he crashed his Dodge Viper while driving drunk.
1aN5r TIL: Prisoners in France do not wear uniforms and are instead provided with 'normal clothes' (i.e. regular civilian clothing). Use of prison uniforms was abolished in 1983.