Mental Floss

STONES, BONES, AND WRECKS

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It's calling into question what we thought we knew about the mysterious culture.

The Roman dodecahedron Brian Campbell found in East London

They've been discovered at Roman-era sites, but no one knows what they're for.

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He was originally paid $55,946.

Steve Dockrill

And knee prints, too.

Romano D’Agostini, Giorgio Cargnel, Soprintendenza Speciale di Roma

They were doing routine work on a bridge.

Alexis Pantos, University of Copenhagen

It's a little like a pita, but grittier.

Blue Water Ventures International

The wreckage of the <em>Pulaski</em> was lost for almost 180 years.

Evening Standard, Getty Images

The hoard would have been worth a fortune in the 1940s.

Jonathan Daniel, Getty Images

Project Recover tracked down aircraft in a bay near Papua New Guinea.

When it sank on June 8, 1708, it was carrying gold, silver, jewels, and other precious cargo.

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And they captured it on video.

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A modernist novel, pioneering scientific work, and an irreplaceable Dickens.

Peter Pfälzner, University of Tübingen

A team had been excavating the site for years before figuring out what it was.

Ben Curtis, AFP/Getty Images

It was once believed that his stepmother Queen Nefertiti may be hidden away at the same site.

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Applications close today.

Alex McCelland, Bournemouth University

Sloths—those symbols of loafers and loungers everywhere—weren't always so cute and cuddly.