We’re all excited to be here.” Another participant, Paul Smith, 68, made it about 40 feet up the redwood tree he was climbing in less than 30 minutes. Off to the side, April Outman ...

Sillett’s group put a line over the President’s crown, rigged climbing ropes into position (with special protectors for the tree’s cambium), donned harnesses and helmets, and went up.

Paleontologist Danielle Dufault traveled to Morocco to learn more about the legendary tree-climbing goats who live in endangered argan groves.