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Tonga volcano, large eruptions and climate cooling
Drought, Doñana and the Queen of the Marshes
The Dust Bowl comes to Spain: desertification and soil erosion
The Zambezi and the Smoke that Thunders: how rivers change through time
The Mediterranean Sea dried up almost completely during the Messinian Salinity Crisis
The black gold of Ukraine and the most fertile soils in the world
The nitrogen cycle: a story of food, war and bacteria.
Soil salinization: putting food security at risk
The geology and dangers of La Palma
La Palma: the announced eruption of Cumbre Vieja
Exoplanets: Habitable worlds beyond the Solar System?
Did lightning provide phosphorus to ancient life?
Planetary boundaries: a safe world for humans?
Etna volcano: an explosive start for 2021
Anthropogenic vs natural climate change: which one is faster?
The East African Rift System: a belt of natural wonders
Carrara Marble: from the sea to Michelangelo's workshop
— 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.