New York Citi bike most popular roads
One day in the life of the Citi Bike Share System Via toddwschneider.com
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Animated maps
December through March precipitation anomalies
Via weather.com
Read MoreShrinking the polio map
Via gatesnotes.com
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Geoid height of new global gravity field models on the 3D globe (“Earth potato”)
he effective gravity on our planet’s surface ranges by about 0.7 percent, from 9.7639 m/s2 on the Nevado Huascarán mountain in Peru to 9.8337 m/s2 at the surface of the Arctic Ocean. In large cities, it varies from 9.766 in Mexico City, Singapore, and Kuala Lumpur to 9.825 in Oslo and Helsinki.
Read MoreHow many people have been shot near you this year?
Every day, 30 Americans die in gun homicides. Another 200 are injured by bullets. These incidents of gun violence are
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