University of Michigan
Univerisity of Michigan: A Taste of the Ancient World: Farming at Karanis
See pictures of tools used in grain production in ancient Egypt. The artifacts are similar to tools used today.
National Academies of Sciences, Engineering, and Medicine
The National Academies: Emerging Technologies: Biofuels
Biofuels are made from organic materials such as corn and algae, as well as sugars and starches from plant cellulose. They have advantages such as sustainability and lowered greenhouse gas production, but they can impact on the...
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