Whales are a group of mammals that live in oceans. They include some of the largest animals on Earth. The blue whale is the ...

View Full Profile. Learn about our Editorial Policies. A blue whale’s heart can beat as few as two times a minute. The discovery comes from data collected during researchers’ first few attempts to ...

Seeing a blue whale is a bucket list item for whale watchers, not only due to its scarcity but also because of its extraordinary size ... a blue whale’s heart weighs about 400 pounds, 640 ...