Hair Is An Extension Of The Nervous System
So the testing institute recruited more indian trackers, let them keep their long hair, and tested them in multiple areas. Then they would pair two men together who had received the same scores on all the tests. They would let one man in the pair keep his hair long, and gave the other man a military haircut. Then the two men retook the tests.
Time after time the man with long hair kept making high scores. Time after time, the man with the short hair failed the tests in which he had previously scored high scores.Hair Is An Extension Of The Nervous System