While much of North America shivers, it's a far different story in Brazil. That country is sizzling, with the heat index spiking above 120. Zoo keepers at the Rio de Janeiro zoo are giving popsicles to the animals. The big cats are getting bloody, 65-pound blocks of ice and raw meat. The apes are getting frozen goodies that make the human visitors a little envious. The simians are being treated to strawberry or mango-flavored frozen yogurt pops.