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Apollo 17 astronaut Harrison Schmitt on the Moon, 1972

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jeans, denim, pants, clothing

Why Do We Say “A Pair of Pants”?

Indian hijras participate in a religious procession in Gandhinagar, India, some 30 kilometers from Ahmedabad, on March 22, 2017. Hijra is a term used in South Asia which refers to transgender individuals who are born male. (gender identity, gender expression)

6 Cultures That Recognize More than Two Genders

Andrew Jackson delivering a speech while on his way to Washington, D.C., for his inauguration in 1829. From Harper's Weekly, 1881.

5 Remarkably Close U.S. Presidential Elections

Odissi Indian classical female dancer on white background. (Indian dancer; classical dancer; Indian dance)

6 Classical Dances of India

Malayan Leaf Frog - Megophrys nasuta

9 Animals That Look Like Leaves

Red Army (Soviet) soldiers in the Russian Revolution.

Russian Revolution Timeline

Close-up of ostriches (Struthio camelus) necks and heads; location unknown.

6 of the World's Most Dangerous Birds

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Apollo 17 astronaut Harrison Schmitt on the Moon, 1972

Apollo 17 astronaut Harrison Schmitt on the Moon, 1972

Apollo 17 geologist-astronaut Harrison Schmitt at the foot of a huge split boulder,...

NASA