› added 1 year ago

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TIL the air quality in Delhi, India, is on average between 200-500 AQI (poor to hazardous) from October through February. The worst was on November 8th 2017 during the “Great Smog of Delhi” when the smog reached its peak at 999 AQI.

Read more ncbi.nlm.nih.gov

via reddit.com

kBw4 TIL that in 1941 the English tried to make “rat bombs” out of actual rat carcasses to use against the Germans.
gr65W TIL the parasitic wasp Habrobracon can cope with over 180 times of a Human’s lethal radiation exposure. While a Cockroach can survive 6 to 15 times the lethal dose for Human’s.
rRwdx TIL that in most areas where hunting may occur deer seem to develop an acute sense of time and a fondness for metro parks and golf courses. This odd occurrence is noted in Michigan, around late Aug. early Sept. they begin to move out of less developed areas in favor of living near human settlements.
VM0xQ TIL when Richard Feynman was in the State Curriculum Commission of California, he found out that some members of the committee which was responsible for choosing which books are used in public education had given a rating to not only unfinished, but completely blank textbooks [Page 173]
bNwQ TIL that Jackie Kennedy’s Pink Chanel suit won’t be publicly displayed until at least 2103 and is kept in a secret location in which “The temperature hovers between 65 and 68 °F (18 and 20 °C) degrees; the humidity is 40 percent; the air is changed six times an hour.”