Uncovering the Genes That Let Our Ancestors Walk Upright

Uncovering the Genes That Let Our Ancestors Walk Upright: By Carl Zimmer Aug. 27, 2025 Charles Darwin unveiled his theory of evolution in 1859, in “On the Origin of Species.” But it took him another 12 years to work up the courage to declare that humans evolved, too. In “The Descent of Man,” published in 1871, Darwin argued that humans arose from apes. And