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Matt Ozug

Inside the weird and delightful origins of the jungle gym, which just turned 100

United States Japan Math Chicago

A jungle gym in the 1970s — a staple of playgrounds all across the U.S. (H. Armstrong Roberts/ClassicStock/Getty Images)

This story starts in the fourth dimension.

Or, more specifically, with a British mathematician who, in the late 1800s, was intrigued by the fourth dimension and how to teach disinterested children about it.

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Italy’s Meloni toughens protest laws: Teen detentions, parental liability, 5-year jail term

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Italian Prime Minister Giorgia Meloni's government has approved tougher security measures targeting protest-related violence, including prison terms of up to five years, fines of up to €20,000 and financial liability for parents whose children engage in vandalism or looting.

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One subscription that gives you access to news from hundreds of sites

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