cambrian period :
Search Words
News & Articles
- Cascade of eventscaused sudden explosion of animal life
Teaser The explosion of animal life on Earth around 520 million years ago was the result of a combination of interlinked factors rather than a single underlying cause, according to a new study. Dozens of individual theories have been put forward over the past few decades for this rapid diversification of animal species in the early Cambrian period of geological time. read more
Sept. 20, 2013 - TG Daily