Articles from Science News (October 30, 1993)

Title	Author	Type	Words
... And sometimes it works.	Strobel, Gabrielle	Brief Article	192
A buried Iowa crater finally comes of age.	Monastersky, Richard		543
Add tea to that old 'apple a day' adage.	Raloff, Janet		609
Alga makes its own sunblock.		Brief Article	293
Ancient DNA research: growing pains....	Strobel, Gabrielle	Brief Article	379
Cocaine each day keeps the bugs away.		Brief Article	282
Commuters drive 'greenhouse' policy ... and calls for stronger measures.	Cowen, Ron		534
Cosmic dust can ferry in organic molecules.	Lipkin, Richard		579
Embryo's nerve-inducing messenger found.	Pennisi, Elizabeth	Brief Article	442
Fighting bugs to save cassava.	Strobel, Gabrielle	Brief Article	498
Fossil jaw offers clues to human ancestry.	Bower, Bruce		616
Holding on to the Earth: off-the-shelf chemical halts erosion of irrigated fields.	Raloff, Janet	Cover Story	1719
Making votes count: how to steal an election - the modern way.	Peterson, Ivars		2206
Neptune's northern half grows brighter.	Cowen, Ron	Brief Article	287
New dust ring for Jupiter?	Cowen, Ron	Brief Article	234
Researchers 'clone' human embryos.	Fackelmann, Kathy A.		648
Shattering the SSC vision: what next?	Peterson, Ivars	Brief Article	478