Demonstrates by experiments in a water tunnel the connection between velocity and pressure fields in diffusers, venturis and channel bends. Considers coanda effect, bernoulli's integral, pitot tubes, cavitation, a shear layer and a rotating fluid.
Traces the rise of the primates. Examines the anatomical changes, the beginnings of sociality and speech, the more complex brain, the semi-erect posture, and other human-like characteristics.
Encyclopedia Britannica Educational Corporation - EBEC