Articles from Science News (May 17, 1997)

Title	Author	Type	Words
A price tag on the planet's ecosystems.	Mlot, Christine	Brief Article	454
Bacteria that don't say no to cocaine.	Travis, John	Brief Article	128
Can preventive mastectomies prolong lives?	Seppa, Nathan		607
Checking out Hubble's new eyes.	Cowen, Ron	Brief Article	290
Computer triumphs over human champion.	Peterson, Ivars	Brief Article	395
Death zone for stroke.	Fackelmann, Kathleen	Brief Article	260
Found: mouse circadian rhythm gene.	Travis, John		618
Gamma-ray burst mystery continues.	Cowen, Ron	Brief Article	226
Grim prospects for flood-ravaged R&D.	Raloff, Janet		665
Health may succumb to grief reaction.	Bower, Bruce		548
Impurities give crystals that special glow.	Wu, Corinna	Brief Article	457
More planets.	Cowen, Ron	Brief Article	363
Proliferation of pills: antibiotics don't fight many infections well, yet doctors continue to prescribe them.	Smaglik, Paul		1648
Those old dioxin blues: some small fry are exquisitely sensitive models of dioxin vulnerability.	Raloff, Janet	Cover Story	1852
Urban planning in ancient Near East.	Bowers, Bruce	Brief Article	447
Vaccine shields chimps from HIV.	Fackelmann, Kathleen	Brief Article	260
What good is the cystic fibrosis gene?	Travis, John	Brief Article	450