Get the Popular Science daily newsletter💡 Breakthroughs, discoveries, and DIY tips sent six days a week. By signing up, you confirm you are 16+, will receive newsletters and promotional content and agree to our Terms of Use and acknowledge the data practices in our Privacy Policy. You may unsubscribe at any time. There’s no denying that it’s been a brutally hot summer in North America and Europe. So if you need a new way to cool off as another heat dome settles in, allow us to suggest the annual Beluga Cam. The cam officially goes live on Wednesday, July 15 (Arctic Sea Ice Day), and will show the canaries of the sea on their summer vacation in Canada. Until then, beluga enthusiasts can enjoy the 2025 highlight reel.  Beluga Boat Underwater Cam 2025 | Highlights Roughly 57,000 beluga whales (Delphinapterus leucas) migrate to southern Canadian waters during the ice-free summer months. These white whales travel to the Churchill River, which then flows into Hudson Bay. While there, they feed, molt, and give birth to their …