The reason that glaciers flow to begin with is because the bottom is liquid.

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The bottom layer has hundreds or thousands of tiny intersecting liquid-handling channels, each about the width of a human hair (100 microns).

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The bottom line for demand: Global consumption of oil and liquid fuels should increase by about 1.3 million barrels a day in the third quarter from the first quarter, according to the U.S. Energy Information Administration.

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For the first 15 minutes or so, you want the onions at the bottom of the pan to be slowly but steadily taking on color as they sweat out their liquid.

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Nearly all smartphones and electronic devices are installed with internal liquid indicators, but Apple has also installed external indicators in the headphone jack and the bottom of the phone.

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