A continental mash-up some 750 to 550 million years ago was likely essential for complex life to emerge during the Cambrian Explosion.
Here's what you'll learn when you read this story:
<ul><li>Gondwana, Earth's second-youngest supercontinent, formed just as complex animal life emerged.
</li><li>A new study argues that Gondwana ac… [+4196 chars]
<ul><li>Gondwana, Earth's second-youngest supercontinent, formed just as complex animal life emerged.
</li><li>A new study argues that Gondwana ac… [+4196 chars]