Articles from Science News (May 11, 1991)

Title	Author	Type	Words
Better assay for pesticides tainting food.	Walker, Tim		443
Birthing trauma linked to diminished IQ.	Fackelmann, Kathy A.		629
Bubble light in the blink of an eye.	Peterson, Ivars		724
Catching some rays: Earth-based detectors hunt for violent stellar events.	Cowen, Ron	Cover Story	3243
Clouds keep ocean temperatures down.			293
Geography conspires against Bangladesh.	Monastersky, Richard		553
New clues to origins of Downs' syndrome.	Ezzell, Carol		446
New report offers antipsychotic guidelines.	Bower, Bruce		694
Oddball quake in Costa Rica.			291
Randy reptiles: curious clockwork spurs sex drive in snakes.	Fackelmann, Kathy A.		1273
Recipe for acoustic transparency.	Peterson, Ivars		133
Regrets, countercharges mark fraud dispute.	Fackelmann, Kathy A.		417
Researchers probe the 'Great Annihilator.' (mysterious celestial object that spews out photons may be a black hole)	Cowen, Ron		790
Sounding out burning snowballs.	Peterson, Ivars		257
Wine glasses and ringing bells.	Peterson, Ivars		156