News tagged with precambrian

Younger, hotter Earth still not understood

Plate tectonics may not have operated on a younger and hotter Earth according to new research from the University of Bristol carried out on preserved remnants of ancient continental crust in the Hudson Bay ...

dateSep 13, 2010 in Earth Sciences
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How photosynthesis changed the planet

Two and a half billion years ago, single-celled organisms called cyanobacteria harnessed sunlight to split water molecules, producing energy to power their cells and releasing oxygen into an atmosphere that ...

dateNov 20, 2014 in Other
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List of search results for precambrian