ENVIRONMENT Narwhals’ hearts beat only a few times a minute while escaping danger, adding to stress on their bodies from human interactions. (National Geographic) What adaptations help narwhals survive in the Arctic? Help students brainstorm with our activity. Teachers, scroll down for a quick list of key resources in our Teachers Toolkit. Discussion Ideas A new study examines narwhals’ response to fear or stress. What … Continue reading Unicorns of the Sea Get Brain Freeze