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So far, string theory has defied experiments, but Nima Arkani-Hamed thinks he has found a way to put the idea to the test. Geoff Brumfiel finds out how.
The electronic behaviour of some forms of matter doesn't match theory. Geoff Brumfiel meets Senthil Todadri, a man who wants to change our view of how electrons behave.
Growing up on Einstein Street in Haifa, Israel, Dorit Aharonov was perhaps destined to study physics. But she pursued other interests before finally settling on quantum computation. Haim Watzman reports.
Thanks to all of you who responded to our request for New Year's wishes. Your suggestions range from futuristic visions such as photosynthesis in humans and nanocameras that fit inside cells, to serious themes including recognition for scientists in developing countries and freedom from reliance on oil. Together, they provide a fascinating glimpse into what's important to news@nature.com readers all over the world in 2005.