› added 9 months ago

35

TIL that the Super Bowl halftime dancers don't know about any special guests until the day of the performance

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via reddit.com

eko6 TIL dogs sneeze to communicate to other dogs that they’re not being aggressive
E14gp TIL CD/DVD data is contained in the plastic not the shiny part. The shiny part is just so the laser bounces back.
R7GY7 TIL deep-water fish get the bends when they are reeled in too fast. Sports fishermen unintentionally kill millions of fish each year due to the condition called barotrauma.
rmOd TIL ring pulls on cans are patented. Their use is to hold straws in place.
7rVyO TIL Cold water has negative calories, since your body needs to spend energy to heat it up.