Earth's first ecosystems were more complex than previously thought, study finds
Computer simulations have allowed scientists, led by Dr Imran Rahman of the University of Bristol, UK to work out how this 555-million-yea...
إظهار الرسائل ذات التسميات Earth Sciences. إظهار كافة الرسائل
إظهار الرسائل ذات التسميات Earth Sciences. إظهار كافة الرسائل
New theory suggests depletion of trace elements in the oceans a factor in mass e...
The end of the Devonian period around 359 million years ago saw the extinction of major groups like the placoderm fishes. A n...
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