All Items Tagged

“cities”

May 14, 2015 01:01 PM ET
Right now, there are 28 mega-cities in the world, with about 450 million inhabitants among them. So, which world cities make the cut?
May 1, 2015 08:33 AM ET // Owen Jarus, LiveScience
The city, which contains flat-topped pyramids, was in use between roughly 600 B.C. and 300 B.C., when the first cities were being constructed in the area.
Apr 30, 2015 08:18 AM ET // Patrick J. Kiger
An international team of researchers has figured out which cities squander the most resources, and which are the most efficient.
Apr 18, 2015 07:10 AM ET // Jennifer Viegas
Urban birds have adapted to city living by building their nests on everything from barbecue grills to urinals.
Mar 17, 2015 10:35 AM ET
A new report places Singapore at the top of a pricey list: the costliest place in the world to live.
Feb 20, 2015 05:59 PM ET // Patrick J. Kiger
Pollution and the urban heat island effect may cause slightly more thunder and lightning than rural areas get. Continue reading →
Feb 19, 2015 01:49 PM ET // Glenn McDonald
Autonomous vehicles avoid collisions by scanning their environment 25 times per second Continue reading →
Nov 25, 2014 11:30 AM ET // Tracy Staedter
An underwater eco-city is designed for deep-sea living.
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