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image: Signs of Life on Mars?

Signs of Life on Mars?

By | December 4, 2012

Tests run on Martian soil samples indicate the presence of organic compounds, but the traces of carbon may or may not have come from once-living things.

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image: Conventional Yields Trump Organic

Conventional Yields Trump Organic

By | April 26, 2012

A new meta-analysis of farming practices suggests that traditional methods of cultivating food plants result in heftier harvests than do organic strategies.

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