Could Humans Have Evolved From Dolphins?

The most common theory of human evolution suggests that humans evolved from an ape-like ancestor. But what if we evolved from something that was a little more like a seal or dolphin? Over the years, a handful of evolutionary biologists have proffered the weird theory that we evolved from "aquatic apes" who lived in… » 4/05/12 9:00am 4/05/12 9:00am