Think, Volumen36,Tema 6

activity adults aging Amazon American animals associated become behavior brain building called cells century chemical comes commune complex countries direct drugs dwellers early East East German electrical example experience eyes fear feel fiber fighting frog's frontier German grow hand head hemisphere highway hope human idea individual John Lama lead learning least less living means memory ment Mexico MICHIGAN middle-aged miles million mind move nerve older operation paratrooper parent perhaps person pioneer poems poetry poets present problem professor reason recently remain respect result says scientists seems sense showed social society specific Sperry stimulation styles theater things thought tion trained United University West women young youth