CALEY M. ORR,*' LUCAS K. DELEZENE,' JEREMIAH E. SCOTT,' MATTHEW W. TOCHERI,' and GARY T. SCHWARTZ,; 1 School of Human Evolution and Social Change, Arizona State University, Tempe, Arizona 85287-2402, USA, [email protected]; institute of Human Origins, Arizona State University, Tempe, Arizona 85287-4101, U.S.A.; Human Origins Program, Smithsonian National Museum of Natural History, Washington, D...

Local political authority (formal or informal) over natural resources may create rents for politicians. The political decision to use or allocate resources involves balancing private rents with reelection prospects. I examine the case of deforestation in Brazil and a presidential decree granting the federal government the authority to punish counties that failed to limit total deforestation wit...

The cyanide overload of 40 cassava (gari) processing workers, 25 frequent consumers of cassava foods and 20 cigarette smokers (all Nigerians) were assessed using a new simple kit method for determination of thiocyanate (cyanide metabolite) in urine. The mean thiocyanate measured in the urine of three groups of cassava processing workers were 9.48±2.8, 8.70±2.23, and 7.46±2.57 ppm. The mean thio...

In t h i s pape r , we d e s c r i b e a p l a n g e n e r a t o r f o r p l a n n i n g the sequence o f mach in ing c u t s o f mechanic a l p a r t s . Th i s sys tem, named GARI, makes use of we igh ted p i eces o f adv ice r e p r e s e n t i n g the e x p e r t i s e o f human s p e c i a l i s t s . The c o m p l e x i t y o f the a p p l i c a ­ t i o n domain gu ided us toward the i m ...