A new study explains why humans have chins while other primates do not. Researchers found that the chin likely formed as a ...

Biologists have debated the reason why Homo sapiens evolved a prominent lower jaw, but this unique feature may actually be a by-product of other traits shaped by natural selection ...

Learn how the chin became an evolutionary byproduct that's unique to humans.

Far below the waves, where sunlight never reaches, a fragment of bone has forced scientists to redraw parts of the human family tree. An ancient jaw dredged from the seafloor between China and Taiwan, ...

“The chin evolved largely by accident and not through direct selection, but as an evolutionary byproduct resulting from ...

Dashiell Hammett mentioned Sam Spade's jutting chin in the opening sentence of his novel, "The Maltese Falcon." Spade's chin was among the facial features Hammett used to describe his fictional ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. Mammals are defined by how and what we eat every single day of our ...