Articles from Science News (July 20, 1991)

Title	Author	Type	Words
Blacks' high glaucoma risk is verified.	Pennisi, Elizabeth		476
Calcium subdues menstrual blues.			299
Calculating the Wright stuff.	Peterson, Ivars	Biography	224
Cardiac electricians: radio waves can cure a racing heart.	Fackelmann, Kathy A.		1742
Computing with real arithmetic.	Peterson, Ivars		341
High-tech eyes check train 'fingerprints.' (CSX Corp. to use scanner to keep track of freight cars)			422
Messages in mathematically scrambled waves.	Peterson, Ivars		774
Millisecond pulsars deepen a cosmic mystery.	Cowen, Ron		740
Misfiring magic bullets.			308
New views of Venus' unusual volcanism.			287
OTA: highways need repair, not expansion.			159
Regular exercise cuts diabetes risk.	Fackelmann, Kathy A.		615
Report condemns NIH role in AIDS trials.	Ezzell, Carol		806
Satellites expose myth of marching Sahara.	Monastersky, Richard		604
That's entertainment?			259
The checkers challenge: a checker-playing computer program contends for the world title.	Peterson, Ivars	Cover Story	1920
Treating the untreatable.			246