Today's phenomenon of music idols and groupies likely has its roots in the Stone Age.

Hominin brain size doubled volume in three million years—with painful consequences for our mothers during childbirth.

"We have created a Star Wars civilization with Stone Age emotions, medieval institutions, and godlike technology." E.O. Wilson.

Are we humans a cosmic coincidence in the universe of possibilities that might have happened?

In this post I will talk about the other humans that shared this planet with our species until very recently.

From 1% to 4% of H. sapiens genes come from Neanderthals and Denisovans. These pairings may have happened even less than 50,000 years ago.

Hominins and Homo (IV) / Homíninos y Homo (IV): Homo antecessor skull reconstruction / Reconstrucción craneal de Homo antecessor The...

About two million years ago, the body and brain size of the genus Homo species increased considerably.

Scientists classified as Hominins more than twenty distinct species, living during the past 3.5 million years, and only within the genus Hom

Recreation of neanderthal mother and son / Figuras de madre e hijo neandertales A sound out of time fills the cave: not the soughing and...

The preference for fairness and resistance to inequalities, known as inequity aversion, has evolved over tens of millions of years.

Piety? / ¿Piedad? / La Pietà? Scientific studies corroborate that mourning the dead, especially if they are blood related youngsters, is...

…our wishes, judgments, and moral appraisals are simply part of the world’s physical progression, as dictated by nature’s dispassionate...

The most complex cultural phenomena known in non-human animals, including primates, occur in chimpanzees and bonobos.

Macaques and Benjamin Franklin / Macacos y Benjamín Franklin

Exploring the Diversity of Mammalian Intelligences and Cultures / Explorando la diversidad de inteligencias y culturas en los mamíferos

Darwin wrote that the difference in mind between other superior animals and man was quantitative, not qualitative

Are primates Machiavellian? / ¿Son maquiavélicos los primates?

The origin of primates dates back to the Cretaceous Period, the last period of the age of dinosaurs. An ancestor, the protoprimate Purgatori

Dinosaurs proliferated during the Triassic Period, 252 to 201 million years ago (mya), and they were also present during the Jurassic—201...