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todayilearned
Jun 10, 2020
TIL A Dutch start-up company have been able to start training wild crows so that they pick up cigarette butts and put them in bins for peanut as a reward.
birds
cities
crows
nature
news
technology
todayilearned
Jun 10, 2020
TIL the 1984 Olympics in Los Angeles was so profitable that profits continue to help fund youth sports as recently as in the 2010s
cities
gizmodo
los angeles
olympics
sochi olympics
summer olympics
urbanism
todayilearned
Jun 07, 2020
TIL the maître d’ of the Waldorf Hotel in NYC for 50 years, Oscar Tschirky invented the velvet rope and the Waldorf salad
american history
business leaders
celebrities
cities
money
todayilearned
May 14, 2020
TIL that the seventh most populous city in the world, Mumbai, also has one of the highest densities of leopards (41 leopards) in a forest inside the city and the leopard population saves Mumbai US$18,000 by keeping the stray dogs population in check.
animals
cities
environment
india
mumbai
south and central asia
wildlife
world news
todayilearned
May 08, 2020
TIL Alberta Canada is the largest inhabited land mass that has no rat population. Every territory surrounding it has rats, but high rat control efforts have kept them out.
animals
big questions
cities
hidemsn
news
partnerquora
todayilearned
Aug 10, 2019
TIL 'Desire paths' is the term for the paths that are naturally created by people's footfalls when they walk around paved paths. Some universities and hospitals have avoided these by waiting to see where they formed naturally, then paving over established desire paths.
cities
todayilearned
Jul 31, 2019
TIL about the "sponge cities" in China. The scheme means that Wuhan and other areas in the scheme will have 20% of their urban land include "sponge features" (such as rain gardens and wetlands) by 2020 with an aim of retaining 70% of storm and flood water.
asia pacific
china
cities
environment
flooding
natural disasters and extreme weather
world news
todayilearned
Jun 08, 2019
TIL that Underneath the streets of Beijing, there are over a million people who live in nuclear bunkers.
antonio faccilongo
beijing
beijing shi
cities
cold war
houses
law and legislation
nuclear bunker
nuclear weapons
people and culture
todayilearned
May 28, 2019
TIL as of 2016 the City of New York is owed $16 Million in parking tickets unpaid by diplomats
canberra
cities
london
new york
road safety
uk news
us news
world news
todayilearned
Apr 27, 2019
TIL squirrels were originally placed in US cities as a way to reconnect city dwellers with nature
animal behavior
animals
cities
invasive species
mammals
rodents
squirrels
urban ecology
urban wildlife
todayilearned
Apr 04, 2019
TIL that there are currently more than a million people living underneath the streets of Beijing.
antonio faccilongo
beijing
beijing shi
cities
cold war
houses
law and legislation
nuclear bunker
nuclear weapons
people and culture
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