Grain: a rich source of vitamins, minerals, carbohydrates, fats, oils, and protein. The staple diet in developing nations in the form of rice, wheat, millet, or maize. Which is why the cheaper E10 biofuel comes at a high cost: driving up the price of grain, and killing more famished people unable to afford the higher prices.
Links and commentary to free online videos with plenty to chew on.
Musings of Laurie Anderson, electronic music pioneer:
[ If a Sperm Where the Size of a Whale: ]Mach 20
[On the culture of oversimplification:] Let X=X
[From Da Vinci’s Ethics and Wisdom series:] Great Thinkers: Laurie Anderson