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identical and fraternal twins

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The Dionne Quintuplets, accompanied by Mrs. Olive Dionne and Brother Gustave Sauve, taking part in a religious music program at Lansdowne Park, during the five-day Marian Congress celebrating the centenary of the Archdiocese of Ottawa, June 1947.

How the First Surviving Quintuplets Became a Tourist Attraction

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Portrait of a mountain gorilla at a short distance. gorilla close up portrait.The mountain gorilla (Gorilla beringei beringei)

Falling Stars: 10 of the Most Famous Endangered Species

Illustration for Demystified "How Dangerous is Quicksand"

How Deadly Is Quicksand?

Ethel Rosenberg arrested in August 1950. Photograph dated Aug. 8, 1950. American civilians executed for espionage. Spies, communists, Julius Rosenberg

Spies Like Us: 10 Famous Names in the Espionage Game

Amendments 1-10 to the Constitution of the United States constitute what is known as the Bill of Rights on an American flag.

What Is the Emoluments Clause?

King Cobra snake in Malaysia. (reptile)

9 of the World’s Deadliest Snakes

Happy, smiling, flying pig

7 Everyday English Idioms and Where They Come From

Cathedrale St.Jean in Lyon, France has a 14th-century astronomical clock that shows religious feast days till the year 2019; Perpetual Calendar

Ten Days That Vanished: The Switch to the Gregorian Calendar

twin: Related Content

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Amber Heard Welcomes Twins: “Mother’s Day 2025 Will Be One I’ll Never Forget” • May 12, 2025, 2:24 AM ET (The Hollywood Reporter)

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identical and fraternal twins

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dizygotic twin identical twin conjoined twin multiple birth