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Tuesday, July 5, 2022
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Marshall Brain


How Helium Balloons Work

"Why do ballons fly away when you let go of them? We've got the answer.Stock4B/Getty ImagesThere is something incredibly

What if I threw a penny off the Empire State Building?

"That's a long way for a penny to fall, but could it actually kill someone?Jan Cobb Photography Ltd/Getty ImagesYou migh

What if a main water supply were infected with some form of bacteria?

"One of the miracles of modern society is the abundant supply of clean drinking water available in every home and busine

What if people wanted to use icebergs as a source of fresh water?

The Problems with Icebergs"It would be hard to wrap the iceberg below the water line.Dale Wilson/Getty ImagesThe first p

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