When I first read about this family that walks on all fours, I thought it was a hoax. It’s not:
The discovery of four families in which some members only walk on all fours may help us understand how humans, unlike other primates, are able to walk for long periods on only two legs, a scientist will tell the annual conference of the European Society of Human Genetics today. The quadrupedal families in Turkey previously attracted attention in 2005, when they were discovered. Now the Turkish team reports that they have found the first gene implicated in quadrupedal locomotion in these families.
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