Families can cut their own Christmas tree in Shasta-Trinity or Lassen national forests for a $10 permit. Tree species vary by elevation, with white firs at lower altitudes and unique types like ...
New Scientist on MSN
Pandas use tools to scratch thanks to a strange evolutionary quirk
Captive giant pandas have been seen breaking off twigs and bamboo pieces to scratch hard-to-reach spots, using a crude ...
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