UCR Today (press release) | Why Didn't Animals Appear Sooner in Earth's History? UCR Today (press release) Geologists are letting the air out of a nagging mystery about the development of animal life on Earth. Scientists have long speculated as to why animal species didn't flourish sooner, once sufficient oxygen covered the Earth's surface. Animals first ... |
from development of earths oceans - Google News http://news.google.com/news/url?sa=t&fd=R&ct2=us&usg=AFQjCNHGAcDhzYQj1Rr11kh9HF6ggj_BWA&clid=c3a7d30bb8a4878e06b80cf16b898331&cid=52778644918964&ei=87ZSVNjlGqfEmALurIGIBw&url=http://ucrtoday.ucr.edu/25501
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