Scientists Offer Holistic Approach to Cambrian Explosion

In a remote region of Greenland just 500 miles from the North Pole, scientists are searching for clues that will offer more insight into the boom in animal life on Earth around 520 million years ago, and their latest study contends that it was a series of interconnected events, rather than a single underlying cause, that triggered one of the most significant biological events to have occurred on Earth.