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In 2013, United Nations Food and Agricultural Organization released a report “Edible X: Future prospects for food and feed security”.
It talks about X being a very efficient method of turning various forms of vegetable matter into proteins: we do better eating X that has eaten the grass than we would eating the grass directly.
What was the report recommending we eat?

Show Answer
Insects
"Common prejudice against eating insects is not justified from a nutritional point of view," write the authors of a 191-page report. World population is slated to top nine billion by 2050, and seeing as how arable land is being rapidly swallowed by towns and cities, oceans are increasingly overfished, and climate change is disrupting traditional farming, a new United Nations study proposes a twist on Marie Antoinette's dietary advice: let them eat bugs.
Read about Forbes take on the subject.

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ENSO is a weather phenomenon which was originally named after Jesus Christ and is caused by the variation in winds blowing over the Pacific Ocean. It typically occurs every 2 to 7 years and is responsible for heavy rainfall on one of the Pacific, to droughts on the other.
Can you identify this weather phenomenon?

Show Answer
El Nino Southern Oscillation, or just El Nino in short. The weather pattern was discovered by sailors around Christmas time, related it to Christ himself. Its effects are not only restricted to the Pacific, but have the capability to affect global climate in general.
Watch a great explainer video by Khan Academy.