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The world's largest sardine migration
Oceanography

The world's largest sardine migration

The annual migration of giant schools of sardines from eastern South Africa to the Indian Ocean is the largest on the planet in terms of biomass.

October 28, 2024
Vitrified fortresses found in Europe
Archeology

Vitrified fortresses found in Europe

About 200 ancient stone fortresses in Europe have been vitrified by heating, puzzling archaeologists for the past 250 years.

October 28, 2024