A Moment of Science
Today's program explores how concrete foundations set underwater.
I have a friend who says there's not much oxygen on earth. Ever since I heard that I can't catch my breath! What's the truth?
Christmas is over but what should you do with your Christmas tree?
What is the distinctive sound of the ocean hitting the sand: Woooosh!
Why does wet sand stick together to form sand castles and dry sand falls apart?
Many ocean-going life forms draw calcium from the water around them, and use it to secrete a hard exoskeleton, seashells for example.
Most grains of sand originally started as part of a larger rock.
Florida has begun using glass as sand at the beach as a way to keep its shores friendly to both tourists and wildlife.
Aw, the ticking of the hourglass. Ticking hourglass? Clocks tick. Hourglasses flow. Are we mixing our metaphors? Learn more on this Moment of Science.
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