| 1 | In remote antiquity the main human activity was hunt. | |
| 2 | This is the second ancient genome this team has unraveled. | |
| 3 | It' s kind of like studying an ancient civilization, just by looking at their condoms. | |
| 4 | They were the writings of Plato and Aristotle-immortal classics from ancient times. | |
| 5 | The calorie heuristic is the brain' s ancient link among food and money and fairness. |