In his decades of lifeboat service, he saved countless people from the cold Irish seas. And years after the blue whale had died near the harbour, Ned proved himself a hero once again by playing a role ...

A blue whale calf grows at a rate of 200 pounds per day! Although its commercial importance has dwindled, it is the largest animal that ever lived. Some specimens are 100 feet long and weigh 150 tons.

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 ...