China backpedals on climate promises as economy slows

When China's President Xi Jinping issued his traditional Lunar New Year wishes from the country's coal heartland in January, the subtext was clear: Beijing is not ready to kick its coal addiction, despite promises to slash ...

An optical chip improved by light

Technology is increasingly moving towards miniaturization and energy efficiency. This also applies to electronic chips. Light, and optics more broadly, are functional in making compact and portable chips. Researchers from ...

Uncovering the optimization secrets of fish schools

Nature documentaries have long exploited the elegant swerves of massive schools of fish. Fish team up to more easily cut through the water and protect themselves from predators.

CO2 reduction and economic growth: Can they go hand-in-hand?

Fearing a trade-off with economic growth, countries feel discouraged to cut their CO2 emissions. But do the two really not go together? Environmental scientist Ranran Wang and her colleagues investigated the relationship ...

Human behavior sabotages carbon dioxide-reducing strategies

For the past 150 years, humans have pumped extraordinary amounts of greenhouse gasses, such as CO2, into the atmosphere and warmed the planet at an alarming rate. To slow down climate change, societies tend to focus on two ...

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