| humans | Animals act in a better manner than wicked humans. |
| humans | Are we humans alone in this infinite universe? |
| humans | But in many ways, Alex is a rare bird, for he has shown the kind of mental abilities that scientists once thought only humans had. |
| humans | Goods are the great travelers over the earth's surface, far more than humans, which means that hardly an inhabited spot on the globe is untouched by trade. |
| humans | Humans can't exist on Mars. |
| humans | If it were not for water, humans could not survive. |
| humans | In humans, the eyes act together with the brains. |
| humans | It's possible, though rare, for humans to catch diseases from animals. |
| humans | People used to think that only humans could use language. |
| humans | The average length is seven hours and forty-five minutes, not much different from what a lot of humans need. |
| humans | The hearing acuity of dogs is superior by far to that of humans. |
| humans | The most instinctive act of nearly every creature is to protect its young, and with humans this response persists for a lifetime. |