the world’s largest tree, researchers searched for evidence of an emerging threat to giant sequoias: bark beetles. The ...

Their bark can be as thick as two feet ... Before suffering damage, it used to be regarded as the world’s second-largest tree, only 20 feet shorter than the Sherman. Now, it’s still standing ...

I saw the big burls at close range. I saw the smooth, purplish bark of the smaller branches. All around me was living tree. I looked up, dizzily, noticing small cracks in the deadwood and channels ...