11/08/2021
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09/05/2021
Did lightning provide phosphorus to ancient life?
22/04/2021
Planetary boundaries: a safe world for humans?
15/04/2021
Etna volcano: an explosive start for 2021
22/01/2021
Anthropogenic vs natural climate change: which one is faster?
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The East African Rift System: a belt of natural wonders
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Carrara Marble: from the sea to Michelangelo's workshop
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The realms of Narnia: the geology of a film location
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The geology of Machu Picchu: Inca citadel in the Andes Mountains.
19/06/2020
Plate tectonics: caterpillar tracks of the planet.
08/06/2020
Tethys Ocean: a vanished realm now lying in the mountains.
25/05/2020
Africa: The long voyage of an ancient continent.
18/05/2020
Mount St. Helens erupted 40 years ago.
30/04/2020
The Great Bend of the Niger River: two separate rivers in the past.
22/04/2020
The origin of oxygen: When did we start breathing?
21/04/2020
What does a geologist do and why does it matter?
20/04/2020
What are rocks made of?
17/04/2020
The origin of the Moon: A Tale of Two Planets
— Featured article: Lapis lazuli: Following the trace of a blue gemstone —
Article by Kathelijne Bonne
From high mountain peaks to the pharaohs.
Read how precious stone lapis lazuli found its way from the world's most ancient mines to Mesopotamia, Egypt, and Greece, and finally to the canvases of the great painters. Find out how lapis lazuli formed in the first place, as it crystallized in seams of precious rocks in the midst of plate tectonic turmoil.