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TIL cane toads (both tadpoles and adults) can survive in high salinity water.

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nVwd TIL there is a shade of pink that, when stared at for a short period of time, drastically reduces strength, so much so that US colleges used to paint opposing team’s locker rooms with it.
d86Vd TIL of Dr Randy Lovelace II, a Lt. Col. in the US Army Air Corps who worked on oxygen systems for high altitude jumps. In 1943 he volunteered to test his mask and jumped from a B17 at 40,000ft. The force of that deceleration knocked him out. tore his gloves off and frostbit his hand but he survived.
npX9 TIL that during the first few minutes of The Hunt for Red October the film switches from Russian to English. The switch occurs on the word “Armageddon”, which is the same in both languages.
1EGD TIL that when Einstein arrived in Paris by train in 1922,many high profile reporters, diplomats were waiting for him on the platform. Instead, he sneaked out the back car and off down the tracks, laughing “like a child”.
lg6V TIL Smoke Detectors mostly chirp in the dead of night because the chemical reaction in batteries slows down when the air get’s colder thus tripping the detectors low battery detector.