21.   Even if the apes survive, she fears that the disturbance could endanger their unique social behavior and tool use.

22.   Experiments conducted on human autistic children suggest that very specific elements of social behavior are abnormal.

23.   For six years, I had been observing the social behavior of a group of captive chimpanzees at the Arnhem Zoo in Holland.

24.   In a stroke of inspired good fortune, biologists have found a gene that turns out to exert profound effects on the social behavior of mice.

25.   In the classroom and on the printed page, he explained how bones, joints and muscles were related to movement and social behavior in humans and other primates.

26.   In some respects, the social behavior is just kid stuff, biologists say.

27.   In the two years since his autism was diagnosed, Taylor has started learning the speech skills and social behavior most children naturally pick up by his age.

28.   In the Yoruba worldview, beads and their color codings express concepts of character, spirituality and social behavior.

29.   It accommodates people and their social behavior.

30.   It can creep into social behavior, too, Boskin says.