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

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...

The Great Permian Dying / La gran mortandad del Pérmico

The Cambrian explosion of life-forms led to the colonization of the land’s surface around 475 to 400 million years ago.

“Macrobes” (II): Beginning of the Phanerozoic / “Macrobios” (II): Inicio del Fanerozoico

“Macrobes”: Ediacaran Period fossils / “Macrobios”: Fósiles del periodo Ediacárico

Extraterrestrial life in our solar system? / ¿Vida extraterrestre en nuestro sistema solar?

In previous posts on how extraterrestrial life could be, we talked about many extreme environments where living...

In the previous post on Alien Life we talked about the Pozas Azules ponds in México, with chemical compositions resembling the oceans of...

Beyond the solar system there is life of some kind. It exists, experts agree, on at least a small minority of Earthlike planets that...

Grypania spiralis Multicellular organisms appeared possibly 2.2 billion years ago (1-5). At first, they were little more than colonies of...

Snowball Earth, Lynn Margulis and Endosymbiosis / Tierra en bola de nieve, Lynn Margulis y Endosimbiosis. Fictional Snowball Earth /...

(Traducción en español más abajo) See: https://www.science.org/content/article/how-life-could-have-arisen-rna-world and: A prebiotically...

(Versión en español más abajo). Earth’s biosphere, the part of our planet where life is present, extends from the atmosphere’s higher...

Messieurs, c'est les microbes qui auront le dernier mot. (Gentlemen, it is the microbes who will have the last word; Caballeros, los...

(Versión en español más abajo) Francis Crick and James Watson, as theoreticians and model builders, with the little-known and even less...