71.   But more important, the glass is translucent, not transparent, so people can use the bathroom without fear of becoming burlesque headliners.

72.   But the glass is not as radioactive as it is supposed to be to prevent anyone from recovering the embedded plutonium.

73.   But then, the glass is still half-full for him.

74.   But what if the glass is just empty?

75.   By his side is a glass of Advera, a milkshake-like fortified nutritional drink designed for people with HIV or AIDS.

76.   Buying art glass from Murano is tricky.

77.   Champagne glasses are first up.

78.   California and Massachusetts recently banned computer monitors and TV screens from landfills because their cathode ray tubes are loaded with lead that escapes when the glass is broken.

79.   Collecting Chinese glass can be a tricky enterprise.

80.   Cranberry glass also is the result of gold being added to red glass.