Controlling the helicity of light by electrical magnetization switching

Waser, R. (ed.) Nanoelectronics and Information Technology: Advanced Electronic Materials and Novel Devices 3rd edn (Wiley-VCH, 2012). Žutić, I., Fabian, J. & Das Sarma, S. Spintronics: fundamentals and applications. Rev. Mod. Phys. 76, 323–410 (2004). Article  ADS  Google Scholar  Fiederling, R. et al. Injection and detection of a spin-polarized current in a light-emitting diode. Nature […]

3 ways climate change affects tropical rainforests

    This post was updated on December 8, 2020. Not everyone lives in a tropical rainforest — but everyone benefits from them. Home to nearly half of the plants and wildlife on Earth, tropical rainforests perform an essential function for the climate by absorbing carbon dioxide. Unfortunately, tropical forests are being cut down at […]

Vers des revêtements anti-reflet inspirés des cicadelles ?

Quelle nouveauté a émergé dans le domaine des matériaux en ce mois de mars ? Des granules synthétiques issues des cicadelles, pour des revêtements très absorbants… Les cicadelles sont des insectes suceurs de sève, faisant partie des hémiptères (cigales, pucerons). Les scientifiques savent depuis les années 1950 qu’elles sécrètent des molécules très particulières, nommées brochosomes. Celles-ci […]

5 ways indigenous knowledge can solve global problems

Too often, the voices of the world’s 370 million indigenous people are left out of global conversations on critical issues, such as climate change. This isn’t just bad news for indigenous groups; the traditional knowledge of indigenous peoples could help address environmental problems that plague the entire planet. As Conservation International’s (CI) Johnson Cerda framed […]

4 things you didn’t know elephants do for you

Editor’s note: On April 18, 2018, Conservation International released its virtual reality film, “My Africa.” The film tells the story of a young Samburu woman in Kenya whose community is working to save elephants, reknitting an ancient coexistence between people and wildlife. In honor of this film, Conservation News is telling stories about the people, […]

3 things you didn’t know trees did for you

Without forests, life on Earth as we know it would be unthinkable. Regular readers of this blog know that forests are home to a wealth of biodiversity, that they provide water for billions of people and regulate the climate for everyone. But did you know that they can make you smarter? Or that — scientists […]

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