21.   Scientists wonder whether the Medaka can sustain their immunity to weightlessness over long exposures and if their offspring will exhibit the same behavior.

22.   Such mudflows occur when ice and snow atop a volcano melt during an eruption and the water combines with volcanic rock weakened by long exposure to heat and water.

23.   Thanks to long exposure to journalism, mine is a mind that does not bruise easily, no matter how grave the insult.

24.   The cumbersome tripod and hooded box required long exposures in daylight and much darting under the black cloth.

25.   The extraordinary thing about this photograph is an accident of the long exposure time.

26.   The First Falcon, Tommy Nobis, told the story Tuesday of his initial long exposure to Smith.

27.   The device, a portable reflectometer, was designed to measure deterioration in the hull after long exposure to solar radiation and other corrosive elements.

28.   The long exposures his works require turn humble objects into testaments to the passage of time.

29.   The sitter has to hold still for a long exposure, and he uses a special brace for the purpose.

30.   The rehabilitation program will focus primarily on rebuilding the muscle and bone strength that he lost during his long exposure to weightlessness in space.