Articles from Science News (March 9, 1991)

Title	Author	Type	Words
Believe it or not.			146
CO2 and temperature: a pas de deux.			261
Drug duo uses synergy to fight AIDS virus.	Gibbons, Wendy		382
Got no rhythm: stalling biological clocks.	Bower, Bruce		479
Images reveal greater sunspot structure.			221
Intimate chemistry of a symbiotic odd couple.	Pennisi, Elizabeth		506
Memories trip up gymnastics scores.			436
Mercurial risks from acid's reign: tainted fish may pose a serious human health hazard.	Raloff, Janet		2585
Most birth defects don't rise with age.	Walker, Tim		408
Retinoic acid flunks as a master molecule.	Ezzel, Carol		634
Sandy signs of prehistoric shaking.			307
Sizing up the risks of heart-saving drugs.	Fackelmann, Kathy A.		507
Student researchers win top STS awards.	Cowen, Ron		578
Throwing light on cosmic censorship.	Peterson, Ivars		557
Tiny earthquakes tamed in the laboratory.	Monastersky, Richard		489