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In a paper published online in advance in Science this week, an international team led by investigators at Canada's University of Alberta reports having "expanded the palette" of engineered fluorescent protein chimeras to include blue, red, an "improved green" as well as an "emission ratiometric indicator with an 11,000-percent ratio change." Using this series of indicators "improved single-color Ca2+ imaging in neurons and transgenic Caenorhabditis elegans

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Springer Nature announces €9,500 fee to make papers open-access in Nature and its family of journals.

Librarians have concluded that notebooks that belonged to Charles Darwin that were thought to have been lost were actually likely stolen, CNN reports.

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