News tagged with soil

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One-two punch of drought, global warming

California being in the clutches of drought—as it is today—is nothing new. From prehistoric droughts to so-called "megadroughts" that strangled the state some 1,000 years ago, to more recent extreme dry periods in the ...

Jan 29, 2014 3.9 / 5 (10) 0

Lichen on Mars

Humans cannot hope to survive life on Mars without plenty of protection from the surface radiation, freezing night temperatures and dust storms on the red planet. So they could be excused for marveling at ...

Jan 17, 2014 4.8 / 5 (54) 29 | with audio podcast