3 ms·
Other thread: https://news.ycombinator.com/item?id=33454205 https://news.ycombinator.com/item?id=33454205 ("Crows found to be smarter than we think")
by perihelions 4y ago
Other thread:
https://news.ycombinator.com/item?id=33454205 https://news.ycombinator.com/item?id=33454205 ("Crows found to be smarter than we think")