A Knowledge They Cannot Lose

7.5

(237)

5.9

(251)

6.5

(354)

7.7

(2)

6

(2)

6.2

(253)

4.6

(7)

6.6

(289)

3.7

(3)

5.3

(181)

6.7

(310)

6.7

(110)

6.1

(298)

5.4

(528)

6.3

(183)

7.4

(700)

6

(84)

6.9

(454)

5.4

(376)

6.1

(1405)