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Rock containing cobalt
Black farmer on a no-till tractor with pistachio trees in the background
Faafafine individual at Auckland, New Zealand pride parade
four orange candles are in a row with a black background
Chien Shiung-Wu
An image of the 1901 issue of Popular Science Monthly
battery
A photo of a salmon hybrid.
Grass field with homes and wind turbines in the background.
The Large Hadron Collider's magnet chain.