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Children dancing in a spontaneous expression of energy and emotion.
Explore milestones in human brain development
Discover the power of play in human development
Find out the importance of social and emotional learning
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A beautiful barbie with a long white hair. Stylish doll.
6 Interesting Facts About Barbie
magic 8 ball
Where Did the Idea for the Magic 8 Ball Come From?
Advertising poster for the opening in Paris of "Montagnes Russes" (Russian Mountains), c. 1882-1888, by an anonymous artist; in the collection of the Musee Carnavalet, Paris, France. (graphic arts, posters, roller coasters)
Where Was the First Roller Coaster Invented?
Praying mantis (sphodromantis gastrica)
Why Do Some Animals Eat Their Mates After Sex?
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Fish. Lionfish. Lion-fish. Turkey fish. Fire-fish. Red lionfish. Pterois volitans. Venomous fin spines. Coral reefs. Underwater. Ocean. Red lionfish swims by seaweed.
10 of the World’s Most Dangerous Fish
Rural Irish landscape, Sligo, Ireland.
Why Is Ireland Two Countries?
King Cobra snake in Malaysia. (reptile)
9 of the World’s Deadliest Snakes
Illustration for Demystified "How Dangerous is Quicksand"
How Deadly Is Quicksand?
African Americans demonstrating for voting rights in front of the White House as police and others watch, March 12, 1965. One sign reads, "We demand the right to vote everywhere." Voting Rights Act, civil rights.
Timeline of the American Civil Rights Movement
Ahura Mazda - relief of the Zoroastrian god Ahura Mazda at the ancient ruins of Persepolis in Iran. Also known as Ormazd Zoroastrianism,
Which Religion Is the Oldest?
Two chicks near an egg with a white background (poultry, chick, chickens, birds).
What Do Eggs Have to Do with Easter?

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Children dancing in a spontaneous expression of energy and emotion.
Explore milestones in human brain development
Discover the power of play in human development
Find out the importance of social and emotional learning
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Key People

Melanie Klein
British psychologist