cities
Four-fifths of the world’s population now live in urban areas
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Eixample district in Barcelona, ​​Spain. Shutterstock/BearFotos According to a major United Nations report, more than 80 percent of people worldwide ...
New asphalt could make potholes extinct
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Get the daily Popular Science newsletter💡 Breakthroughs, discoveries, and DIY tips delivered every weekday. Results literally Pioneering trials in the ...
The ‘Surge’ of Troops May Not Come to San Francisco, but the City Is Ready Anyway
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After several months deployment US Immigration and Customs Enforcement and the National Guard in American cities, federal agents are preparing ...
