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TIL the chemical formula of trisodium citrate is Na3C6H5O7 and is the additive that causes cheese to liquify without separation

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wLKo6 TIL the so-called ‘Pillars of Creation’, which are to be found within the Eagle Nebula. The nebula lies 6,500 light years away. The ‘pillar’ on the left is 4 light-years high, which is around 24,000,000,000,000 miles, (24 trillion).
6E96X You’re in luck. For their senior project, two Cornell University computer-engineering whizzes recently built a machine that does just that. After learning in class how breathalyzers work, Robert Clain and Miguel Salas assembled a fart detector from a sensitive hydrogen sulfide monitor, a thermometer and a microphone and wrote the software that would rate the emission. A “slight perturbance in the air” near the detector sets it to work measuring the three pillars of fart quality: stench, temperature and sound. Temperature, Clain explains, is critical.
X0pB6 TIL about Dorilocos, a street food snack from Mexico that incorporates Dorito nacho cheese chips mixed with pork rinds, jicama, cucumbers, carrots, peanuts, lime juice, hot sauce, chili powder and even gummy bears. It is a variant of Tostilocos which is made with Tostitos.
b9BlN TIL that birds can see the Earth's magnetic field due to the presence of a protein in their retina called Cryptochrome(Cryp4)
16Dnd TIL The Wisconsin River used to flow "backwards" into the Great Lakes basin instead of into the Mississippi River.