Top 10 Science Stories of 1999,  http://www.exn.ca/html/templates/htmlpage.cfm?ID=19991223-54&Parent=Science

 DISCOVER Vol. 21 No. 1 (January 2000), The Year in Science, http://www.discover.com/jan_00/featyear.html

 Science News of the Year, Science News Online (12/18/99) http://www.sciencenews.org/sn_arc99/12_18_99/yearend.htm

 

 


         

 

 

s.m. 24.1.2000.