News tagged with sand

Transverse instability of megaripples

Aeolian ripples, which form regular patterns on sand beaches and desert floors, indicate the fundamental instability of flat sand surfaces under the wind-induced transport of sand grains.

dateMar 20, 2012 in Earth Sciences
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Galloping beetles could be counting steps

(Phys.org) —A species of dung beetle in the Western Cape has given up its ability to fly and instead gallops across the sand in a behaviour which researchers suspect evolved as a way to navigate back and forth from home.

dateOct 21, 2013 in Plants & Animals
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