Tag: pessimism
-
Nation & World
Clever crows
A new paper, co-authored by Dakota McCoy, a graduate student working in the lab of George Putnam Professor of Biology David Haig, suggests that, after using tools, crows were more optimistic.
A new paper, co-authored by Dakota McCoy, a graduate student working in the lab of George Putnam Professor of Biology David Haig, suggests that, after using tools, crows were more optimistic.