Articles from Science News (July 13, 1985)

Title	Author	Type	Words
A new flash of lightning theory.			369
Alzheimer's disease: source searching.	Silberner, Joanne		327
Dioxin: is everyone contaminated?	Ralof, Janet		2891
Earthbound on rocky, chaotic course.	Peterson, Ivars		630
EPA passes new PCB regulations.	Mathewson, Judith		406
Giotto's perilous probe of comet Halley.	Eberhart, Jonathan		2023
Lightning likes to strike some sites.			251
None for the road.			348
Pests unexpectedly resist biocontrol.	Ralof, Janet		319
Promising effects of intensive preschool.	Bower, Bruce		455
The long - and unresolved - goodbye.			207
Virus allows wasps to kill crop pests.	Raloff, Janet		343
Weak sun blamed on WIMPS.	Thomsen, Dietrick E.		665
Zapping DNA into plant cells.	Miller, Julie Ann		419