Photo of the Day

a teacher holding a model of an atom while teaching a class in Conakry, Guinea
September 17, 2020

Learning Atoms

A teacher explains molecular construction to a room of students in Conakry, Guinea. This story from the August 1966 issue tracked the West African nation's progress after declaring independence from France in 1958.
Photograph by James P. Blair, Nat Geo Image Collection

Go Further

Subscriber Exclusive Content

See how NASA’s new Mars rover will explore the red planet

Why are people so dang obsessed with Mars?

How viruses shape our world

The era of greyhound racing in the U.S. is coming to an end

See how people have imagined life on Mars through history