The data Events: Clear filters wdt_ID Events Humans Chimpanzees 1 Jaw opens or moves-Onset 89.01966 91 2 Hand to face contact-Onset 110.37228 112 3 Gestation 246.13635 243 4 Fouth postural stage-Onset 533.57222 513 5 Fetus rotates with head down-Onset 167.95581 168 6 Discrimination between direct and averted gaze-Onset 309.32159 303 7 Cortex other than PFC reaches adult volume 1090.84931 1023.42 8 Corresponding time points RD 8 24077.39905 20318 9 Corresponding time points RD 7 21841.71357 18493 10 Corresponding time points RD 6 19613.84993 16668 Events