'Whup' and 'grumble' calls reveal secrets of humpback whales

To save California's whales, put overlooked threats into policy

New studies (N=160) show that making deliberate errors facilitates meaningful learning. Specifically, making plausible conceptual errors and correcting them (e.g., writing "whales are fish," then crossing it out and writing "whales are mammals") improves meaningful learning. Psychology

50 years ago, scientists thought a desert shrub might help save endangered whales