SETI keeps looking up

The search for extraterrestrial life is serious science: its methods are precisely documented, its results painstakingly peer-reviewed. But at the same time it�s a field with curious standards when it comes to �advances.�

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Inoculating our broken infrastructure

University of Newcastle researchers may have come up with a biotechnology answer to the roadway printer I posted about yesterday: bacteria modified to colonize cracks in concrete and fix ruined buildings and crumbling roadways.

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NASA’s Icebridge: imaging the abyss

Researchers with NASA's Icebridge campaign are completing their fourth tour of flights over the polar regions to image ice sheets and glaciers in Antarctica and Greenland. The places they measure and scan are crucial to our understanding of global climate�and forbiddingly hostile as well.

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