If you’re really good, it’s possible to solve a Rubik’s Cube in under 10 seconds. For the rest of us, though, it can be an exceedingly tedious task. For that reason, you might ...

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Given a particle in Euclidean space, a central force is a force that points toward or away from the origin and depends only on the particle’s distance from the origin. If the particle’s position at ...

Vikki Velasquez is a researcher and writer who has managed, coordinated, and directed various community and nonprofit organizations. She has conducted in-depth research on social and economic issues ...

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Zohran Mamdani, in his victory speech, celebrated New York’s immigrants, working class and young people and said the city could show the country how to defeat President Trump. By Dana Rubinstein and ...

Earn 40 credits to qualify for Social Security; each $1,890 in 2026 counts as one credit. Claiming Social Security before full retirement age reduces benefit amounts. Survivor benefits are available ...