High carbon dioxide levels can irreversibly rev up a cyanobacterium’s ability to fix nitrogen over the long term, a study finds.
Engineers at the California Institute of Technology have designed a dime-sized lensless microscope able to capture high-resolution images of cells and pathogens. The low-cost, portable technology could be an ideal tool for use in developing countries, according to the linkurl:paper,;http://www.pnas.org/cgi/doi/10.1073/pnas.0804612105 published online today (July 28) in the Proceedings of the National Academy of Sciences. Despite the trend towards miniaturization evident in the popularity of l
July 28, 2008|
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