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🇪🇸
Spain
ABC
World
Toumaï, our first ancestor, was already walking upright almost seven million years ago
New 3D technology confirms that Sahelanthropus tchadensis, known as Toumaï, is not only our oldest ancestor but the first to walk upright nearly seven million years ago.
Jan 2 • 20:05 UTC
🇪🇸
Spain
El País
World
A seven million-year-old femur reignites a long and fierce scientific war over the origin of bipedalism
A new study identifies three traits of upright walking in 'Sahelanthropus tchadensis', the oldest known hominin, but critics dispute the evidence, claiming it was a quadrupedal ape.
Jan 2 • 19:00 UTC