› added 10 years ago

105

TIL that after the fall of the Roman Empire the technology to make concrete was lost for 1000 years.

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K4a6 TIL: Dogs Can Smell Parts Per Trillion. A Human Equivalent Would Be Perfect Vision Up To THREE THOUSAND Miles Away.
yQwvJ TIL 78% of Singapore's population lives in public housing managed by the government.
m7KE TIL in 1980, CNN had a video to sign off with in case of nuclear war
Me6R7 TIL the Kuomintang army fought the People's Republic of China from neighboring Burma into the 1960s
xB1D TIL that an asystole (flat line on a heart monitor) is not a shockable rhythm because there is no electrical activity in the heart for a cardiovert to work with. So every time you see a doctor/nurse/medic shock a flatline in the movies, it’s all for dramatic affect, not realism.