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The ocean produces at least 50 percent of the Earth’s oxygen, and strangely enough, whale poop is the fuel that helps keep our oceans alive. In this episode of Today I Learned, Asha de Vos tell us why we should all say thanks to whales and their poop.

Read more video.nationalgeographic.com

5rx9 TIL: Woodrow Wilson’s vice president, Thomas Marshall, was known for his sense of humor. One of his favorite jokes was about a woman with two sons, one of whom went to sea and one of whom was elected vice president; neither was ever heard of again.
Gno5 TIL that the second rainbow in a double rainbow is always inverted. (amazed I never saw this before.)
EgQjp TIL that the world's smallest production car, the Peel P50 only 50 were made and 27 are now left. The last one sold for $176,000 in 2016. Made in 1963 and retailed for £199 (around $8,500 in 2019 money)
JYGEv TIL that Norway has the world's first Bicycle Escalator built on a long, uphill road to help tired cyclists (or parents with baby strollers), and encourage cycling in the city.
9XYG TIL that in 1599, a Spanish governor in early colonial Ecuador was executed by having molten gold poured down his throat.