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TIL One NFL Owner Hated Fellow Owner Al Davis So Much They Trained A Parrot To Call Out “F*ck You Al Davis” Anytime Someone Entered The Room

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ADxQx TIL In a sneeze, high velocity of the airflow is achieved by the buildup of pressure inside the chest with the vocal chords closed. Sudden opening of the cords allows the pressurized air to flow back up the respiratory tract to expel the irritants
a8d1L TIL "hole watcher" is an actual job title. Their job is to ensure the safety of people working in holes or other confined spaces are safe by ensuring proper ventilation, and rescue them if they happen to get stuck, hurt, or pass out from the lack of oxygen.
b9JdZ TIL: There are no mosquitoes in Iceland
kORRd TIL that in Iceland men would have to to lift a 100 kg stone to hip height to qualify to work on a fishing boat. Some of the original stones still sit on the beach at Djúpalónssandur. This tradition became the inspiration for lifting the Ardblair Stones in Scotland, Iceland, and Wales.
PYKw TIL That a gas cloud will get too close to the Black Hole in the center of our galaxy next year, and we’ll see it ripped apart.