As urban populations in emerging countries increase, the water supply and sewage management infrastructure isn't able to keep pace with the population growth. But German scientists have come up with a solution.
With more of the world now living in urban as opposed to rural areas, the need for sustainable infrastructure has never been greater. Some cities are rising to the challenge in interesting ways.
Humanoid robot YuMi was as classical musicians and singers helped open a robotics fair in the Tuscan city of Pisa. The robot's range of movement, learned by imitation, appeared to be almost human.
Two powerful hurricanes within two weeks, and sea surface temperatures in the Gulf of Mexico have been among the highest in the world this year - coincidence? Or is global warming fueling these massive storms?
Hurricanes need horizontal and vertical movement to develop. Both are possible on other planets. There are even storms with liquids other than just water, such as methane. Metals are not well suited to cause storms.
German physicist Karsten Danzmann receives the Körber Prize for Science this Thursday for his work on gravitational waves. He talked to DW about how to research them further.
Poison, dogs and helicopters - how scientists pulled out all the stops to protect South Georgia's wildlife from a plague of rats.
It's a girl! Keepers at Edinburgh Zoo in Scotland have welcomed a female Malayan tapir calf. The endangered animals' habitat is being threatened by palm oil plantations and hunters.
Plastic washed up on Manila's beaches can be traced back to Western brands in cashing on Asia's "sachet economies," activists say.
Europe's biggest national park includes volcanoes, the continent's biggest glacier and spectacular vistas. It is also home to magnificent waterfalls powered by mountains of melting ice.
Signed by the president in a staged event in front of television cameras, the decrees are designed to give employers more flexibility to negotiate pay and conditions with their workers. Some unions have objected.
Thousands of steelworkers have come together in the western German town of Bochum to tell executives they are opposed to a merger between ThyssenKrupp and Tata. Plans for a tie-up were announced earlier in the week.
Transport for London (TfL) has announced it will not renew Uber's private hire operator license. TfL cites Uber's lack of corporate responsibility for the decision. Uber will appeal the decision.
US sales of bomb shelters have skyrocketed as fears of nuclear attack and climate-based disaster increase. A growing community of Doomsday "preppers" claims the government is unable to protect the American people.
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