05/03/2018

SpaceX poised for 50th launch of Falcon 9 rocket

SpaceX is poised for the 50th launch of its signature Falcon 9 rocket early Tuesday, marking a swift ascent to a milestone many aerospace giants take far longer to attain.

Storm leaves California with half of usual snow for year

California water officials tromped through long-awaited fresh snowdrifts in the Sierra Nevada mountains Monday, but a welcome late-winter storm still left the state with less than half the usual snow for this late point in ...

Arms races and cooperation among amoebae in the wild

Microbes are fast becoming the darlings of the social behavior set because their interactions can be understood right down to their genes. They do interesting things, too: Bacteria steal iron from each other, kill each other ...

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