71.   By contrast, humans are accustomed to planning ahead.

72.   By contrast, modern humans are not only bigger, but their body-size dimorphism has declined.

73.   By contrast, those who agree with him might argue that reason and conquest are essential if humans are to survive the eventual end of our solar system.

74.   But which humans should be the first to receive the new artificial hearts?

75.   By working in groups, ancestral humans were able to eat, and avoid being eaten.

76.   By the time the All-Animal Olympics move out to the pool for the swimming events, the humans are a despondent lot, desperate for a win.

77.   By using investigative techniques that are uniquely human, we seem to be gaining a clearer focus on the ways in which humans are not unique.

78.   Christianity does teach that humans have a superior place in the cosmos, that humans were created for a special purpose.

79.   Despite the lofty intellectualism humans are capable of, every culture in every era of human history has been obsessed with beauty.

80.   Documents show the humans were soldiers and they wore protective suits and salves, he said.