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The Dictionary.com definition for "centrifuge" offers this: "An apparatus that rotates at high speed and by centrifugal force separates substances of different densities, as milk and cream." ...

Stacker has chronicled social, scientific, and business inventions that changed America over hundreds of years.

Memory eternal: For my brother Don Mattingly, a pioneer in youth ministry The Dictionary.com definition for "centrifuge" ...

Don Mattingly, who died March 18, created Centrifuge camps, which have helped 2 million young people find their path.

Many of the words that came to be in the 1970s have become staples in today's vocabulary while others have simply faded out of fashion. Using Merriam-Webster's Time Traveler feature, Stacker compiled ...

More than 100 Ugandan children are set to take part in their first-ever GAA Cúl Camp, amid the rapid growth of Gaelic games ...

Don Mattingly, a pioneering Southern Baptist leader, created Centrifuge youth camps to “spin” teens toward meaningful futures in faith, service and careers. Launched in 1979, the program has reached ...

April 14 broadcast to feature real-time play-by-play from Deaf commentators in conjunction with in-arena activations for the ...

A 3-year-old boy, who was born deaf, signed to Jessie from “Toy Story" during a recent Disneyland visit – and the character ...

Callie Foster tells PEOPLE her son Luca signed his name in public for the first time after a Chick-fil-A cashier noticed he was using ASL and began signing back Ashley Vega is a writer-reporter at ...