Roanoke Times

& World-News

Horizon: SUNDAY, January 23, 1994

• GRIZZARD FINDS LAUGHS FROM MOSCOW TO SURGERY
• ENVIRONMENTAL ECONOMIC REVOLUTION
• BOOKS IN BRIEF
• BOOK NEWS
• BREAKTHROUGHS
• WHAT IS TAY-SACHS?
• TAY-SACHS RESEARCH REKINDLES AGE-OLD DEBATE
• GENETIC TRIUMPH OVER A KILLER
• NEXT STEP: GENE REPAIR