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Showing posts with label Footprints. Show all posts
Showing posts with label Footprints. Show all posts

Saturday, June 2, 2012

The fossil footprints of those raindrops were to figure


The rain that fell 2,700 million years ago left its mark. An international team of scientists has analyzed the fossil footprints of those raindrops was to figure out how the early atmosphere of Earth.

"Precise measurements of atmospheric pressure back to 1644, when the Evangelist Torricelli invented the first barometer", tells SINC the researcher Sanjoy M. Som, University of Washington (USA). 

Contrary to popular belief, the results of the study, published this week in Nature, suggest that the atmospheric density bent not current levels.