Factinate on MSN

It sounds absurd, but the heart of a blue whale is so big a human could swim through its arteries

It’s hard to picture a creature so immense that a person could stand inside one of its arteries, yet that’s the reality of ...
The Nature Network on MSN

All About Blue Whales, the Largest Animal Ever to Exist on Earth

Blue whales don’t just hold the title for the biggest animal on the planet today. The truth is that they’re […] ...