A debate has emerged around a Chilean tree that may be 5,000 years old. A scientist in southern Chile believes he's found the world's oldest tree, a Patagonian cypress he says is over 5,000 years old ...
TREES HAVE STORIES to tell. Within their annual growth rings are records of drought and deluge, but scientists can also use them to reconstruct environmental pollution events. Tree rings can be used ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback