❝ The hibernation researcher Lynn Rogers once crawled into a den and pressed his ear to a bear’s chest to count its heartbeats. The naturalist Bernd Heinrich went out into the woods in 9-degree cold, chased a flying squirrel from its nest and replaced it with a hot potato. (So well insulated was the nest that the potato held its heat for half an hour.) ❞
- Mary Roach’s book reviews are inspiring.
- Mary Roach’s book reviews are inspiring.
