Greening of the Earth pushed way back in time

[unable to retrieve full-text content]Conventional scientific wisdom has it that plants and other creatures have only lived on land for about 500 million years, but a new study is pointing to evidence for life on land that is four times as old -- at 2.2 billion years ago and almost half way back to the inception of the planet.

Source: http://feeds.sciencedaily.com/~r/sciencedaily/top_news/~3/c2OWlGvZPMM/130722141548.htm

Grammy nominations 2013 Lynsi Torres Fall Out Boy Alabama hostage mta Beyonce Superbowl nemo