How Is A 1,600-Year-Old Tree Weathering California's Drought?
Four years of too little water is killing millions of trees in the Sierra, yet some giant sequoias still thrive. Tree-climbing scientists are exploring sequoias branch by branch to find their secret.
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Health & Science - October 28, 2016 at 02:44AM - How Is A 1,600-Year-Old Tree Weathering California's Drought?
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