31.   Humans are simply doing what we do best.

32.   Ideally, the members of these virtual crowds would interact the way humans do.

33.   In trying to illuminate what humans are doing to the natural environment, scientists and conservationists over the years have come up with a number of descriptive images.

34.   Intelligent beings beyond Earth, the scientists reason, surely would have discovered radio, just as humans once did.

35.   It drove the action, instead of waiting around for the humans to do something.

36.   It also indicates that the Neanderthals split off much earlier from the hominid line than modern humans did.

37.   Joggers who want to take their dogs along for the run should recognize that animals require conditioning to get in shape just as humans do.

38.   Laitman thinks that Neanderthals breathed more through their noses than modern humans do.

39.   Leading a free people is the second hardest thing humans do after fighting the civil war.

40.   Make no mistake, I am not one who believes animals experience everything that humans do.