June 26, 2011

Comet Hartley as imaged in 2011 by the Epoxy/Deep Impact spacecraft

The encounter with Comet Hartley

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After the division of the simple model cell, one of the daughter cells inherits only one type of lipid (red) and most of the protein fragments (blue), while the other daughter cell inherits two types of lipids (red and green). Image: See link to the source of the image at the end of the article

New insights into the mechanism of cell division

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A coal-fired power plant in China. Photo: Scientific American" title="A coal-fired power plant in China. Photo: Scientific American

Environment - burning coal flames / David Bailo

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