It's made from teff, an ancient grain that could be the next big culinary rediscovery but for now is an agrarian oddity outside eastern Africa.

It is possible that this ancient grain, like many other ancient varieties, originated in the Fertile Crescent.

Both are ancient grains in the wheat family with a slightly different chemical structure that makes them easier to digest for wheat-sensitive people.

A mere dust explosion in a silo of ancient grain: gone.

Buying millet may require a trip to a health-food store, which is odd, considering that it is an ancient grain.

Roger is a passionate supporter of this ancient grain.

This ancient grain is a staple in Ethiopia.

Of Ethiopia's signature foods, the most unusual is injera, the smooth, brownish bread made from ground tef, an ancient grain.

In recent years, many ancient grains, largely forgotten, have been rediscovered and are now being produced.

Very ancient grains - carbonified by cooking and therefore preserved - are investigated individually.