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Early expedition photographs reveal long-term environmental change

Magnificent adventures are captured in this selection of photographic firsts, some of the earliest images from each location, taken by world-renowned photographers including Gertrude Bell, Carleton Watkins, Isabella Bird, Herbert Ponting and Frank Hurley.

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Source: Humans - newscientist.com

Liquid crystals for fast switching devices

Physicists have coaxed ultracold atoms into an elusive form of quantum matter