21.   Do humans have a monopoloy on lying or are other species just as capable of pulling the wool over the eyes of their friends and rivals?

22.   Do humans have the moral authority to inflict pain on animals and, ultimately, to sacrifice them?

23.   Early humans probably had few sweat glands, like chimpanzees, and those were mainly located on the palms of their hands and the bottoms of their feet.

24.   For most people, humans have a moral standing special enough to justify using other animals for food, and in certain cases, for medical research.

25.   Humans also have the mahogany gene, but no one has found people who have a mutation in that gene, as some mice do.

26.   Humans do have emotions, though.

27.   Humans have a long history here, too.

28.   Humans have an abiding interest in fermented beverages.

29.   Humans have the freedom to choose between good and evil and must face the consequences of their decisions.

30.   Humans have the same gene, Helfand said.