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"The Grand Canyon is an epic Rosetta Stone for geology," Denver Museum of Nature and Science geologist James Hagadorn said.

A collection of perforated pebbles from an archaeological site in Israel may be spindle whorls, representing a key milestone in the development of rotational tools including wheels, according to a new ...

The wheel was likely invented around 6,000 years ago, but a new analysis of curious rocks from Israel suggests that wheel-like technologies existed even earlier.

Armed with advanced technology, decades of expertise, and insights from an NSF-funded study, a multi-institution team of ...