Cryptozoic Eon
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Practising science: reading the rocks and ecology
This 14-hour free course provided an introduction to environmental analysis, assessing the age and formation of rocks and their surrounding ecology.
Encyclopedia of Time
In this encyclopedia, some 200 international scholars in 360 articles explore subjects such as physics, archeostronomy, astronomy, mathematics, time's measurements and divisions, as well as covering other scientific and interdisciplinary areas: biology, economics and political science, horology, history, medicine, geography, geology and telecommunications.