High-tech materials purify water with sunlight

Sunlight plus a common titanium pigment might be the secret recipe for ridding pharmaceuticals, pesticides and other potentially harmful pollutants from drinking water. Scientists combined several high-tech components to ...

Healthcare, social media and a web of moral issues

"Ethics asks what we owe to one another and how we should treat one another. The internet has changed the landscape in which we, as humans, relate, and ethicists need to keep pace," explains Assistant Professor of Philosophy ...

Six ways inequality holds back climate action

Are improvements to green technologies, like better batteries and more efficient solar panels, enough on their own to tackle climate change? Unfortunately not. Our behavior and lifestyles must change too.

America is finally cleaning up its abandoned, leaking oil wells

Bill Suan bought his family's cattle farm in the mountains of West Virginia a decade-and-a-half ago with little thought for the two gas wells drilled on the property—but then they started leaking oil onto his fields and ...

Pollination is better in cities than in the countryside

Flowering plants are better pollinated in urban than in rural areas. This has now been demonstrated experimentally by a team of scientists led by the German Centre for Integrative Biodiversity Research (iDiv), the Martin ...

China vows faster, cheaper Internet

China has said it will aim to bring faster and cheaper Internet access to more people, following complaints that a near monopoly by state-backed firms had hurt service.

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