Did the first human ancestor originate in the Balkans? New fossil shows evidence of bipedalism

Walking on two legs has long been considered a milestone in human evolution and one of our most defining characteristics.
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Humankind's earliest ancestor? Scientists say a 7 million-year-old species was first to walk upright

It’s considered to be one of the most decisive steps in human evolution. Now, scientists believe they have pinpointed when our ancestors made the transition from walking on all fours to standing on ...