OlRickDawson writes: Science Daily is reporting that research study to be publish in the British Journal of Psychology has shown a correlation between the relative length of the ring and index finger and the scores on language and math tests in elementary school. The length of the index finger divided by the length of the ring finger is the ratio. The smaller the ratio (governed by testosterone exposure) indicates a higher numeracy score in males. At least this has a scientific basis, unlike Phrenology.
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