
Exploring the various ways homosexuality is expressed in the animal kingdom.
S1:E1 • Jan 1, 2006 • 52m
Researchers show that animals use plants and insects to treat their illnesses.
S1:E2 • Jan 1, 2006 • 52m
Exploring the reasons that play is so vital to the development of animals; parallels are drawn to humans when play is deprived.
S1:E8 • Jan 1, 2006 • 49m
The complex system of animal emotions; the discovery that animals need emotions for survival.
S1:E9 • Jan 1, 2006 • 49m
Exploring the notion of animal culture, habits acquired through learning, leading to distinct traditions in different animal communities.
S1:E10 • Jan 1, 2006 • 51m





