Skip to main content

The Food Issue: The Science of Feast, Fuel and Farm

It started as fuel, became a passion, ignited a global crisis—and made us human

Scientific American Logo
Scientific American Logo
EvolutionSeptember 1, 2013

Processed Food: A 2-Million-Year History

It is the dark force, we're told, behind the obesity epidemic, the death of the family farm and Tang. But humans have been “processing” food ever since we learned how to cook, preserve, ferment, freeze, dry or extract. Processed food has powered the evolution of the species, the expansion of empires, the exploration of space. Here are highlights

Evelyn Kim