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TIL It has been calculated that due to time dilation, the core of the Earth is 2.5 years younger than the crust.

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wox6J TIL Richard Simmons and David Letterman had a falling-out in 2000 after Letterman sprayed Simmons with a fire extinguisher during a prank, triggering an asthma attack. Simmons returned in 2006, only to face another prank where his branded steamer exploded on air, forcing him to run for his life.
j9gR TIL The wolf’s jaw can exert 1500 pounds of pressure per square inch, twice the jaw pressure of a German Shepherd. Wolves can crush large bones in just a few bites.
grQZD TIL that Compact Discs, also known as CDs, were a form of optical storage used to hold music, software, and other digital data before USB drives and cloud storage became common.
OG6Ea TIL Tim Derk invented the T-Shirt Cannon in the mid 1990s. It was inspired by "spud launchers" during wartime, and quickly caught on with sports team mascots.
d8BeE TIL that in 2029 a huge asteroid will come so close to the hitting the earth that it will be visible to the naked eye. This asteroid may still hit our planet in 2068.