PITTSBURGH (KDKA) - A windy day on the beach can leave you a sandy mess with sand everywhere from in your clothes to sand in your hair. Windy beach days, however, can be very important to a beach's ...

In some places, sand dunes protect shorelines from the onslaught of ocean waves. In other places, the dunes themselves are on the move, and threaten human structures. Host Flora Lichtman talks with ...

Winds blowing over a dune can move grains of sand in three main ways. What path these grains take depends on their size, although the exact size in each category can change from site to site. Think of ...

Introduction -- Sand -- Winds and atmospheres -- Mechanics of sand transport -- Deposits of sand : ripples versus dunes -- Basic types of dunes -- Other dunes and other sand deposits -- Dune fields, ...

Add Yahoo as a preferred source to see more of our stories on Google. Lençóis Maranhenses Park Have you ever tried visiting sand dunes? Sand dunes are a unique, natural phenomenon that offer a ...

Add Yahoo as a preferred source to see more of our stories on Google. Joecho-16/Getty Images Medano Creek in Great Sand Dunes National Park in southern Colorado. Located in southern Colorado’s San ...

Scientists have devised a new way to study winds on Mars by examining sand dunes on the planet’s surface. The resulting wind map could help explain recent changes in the martian climate and provide ...

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Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Across sweeping ...