#  Investigations: Sverdlovsk Anthrax, Yellow Rain, Herbicides 

 



##  Yellow Rain 

Sample of Yellow Rain given to US Army investigators by Hmong refuges in 1981. Each mark represents one millimeter

 

 [ Yellow Rain arrow\_circle\_right ](/yellow-rain) 

 

       ![Yellow Rain](/sites/g/files/omnuum7261/files/styles/hwp_21_9__1920x825/public/meselsonarchive/files/yrrule.jpg?itok=uzASMUfK) 

 

 



 

 



 

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Dr. Meselson's main areas of field investigations are Herbicides in Southeast Asia, Sverdlovsk Anthrax Outbreak of 1979, and the Yellow Rain Controversy.