to evaluate four alternative models of social evolution (Fig. 2), including the two described above, on a posterior distribution of primate trees. The simplest model estimates a single rate of ...

There are still many mysteries of primate evolution to be unraveled—including where the lineage originated and how these squirrel-like tree climbers evolved into the great apes of today.

We have been researching the evolution of primate litter ... is quite a different experience from our tiny primate ancestors birthing in the trees 60 million years ago. But having twins can ...

The world's oldest known primate had upward mobility ... of motion in the joints suggests that the animal was a nimble tree climber. "Plants were starting to produce something that was attractive ...

Biological evolution accounts for the diversity ... “A timeline of life on earth” and “How Ida fits into the primate family tree” PDFs instead of asking students to view them on computers ...

The branches of that tree, which includes humans ... whereas what we're finding is throughout those first 10 million years of primate evolution, these features were evolving piecemeal, kind ...

For the past 150 years, scientists and laypeople alike have accepted a “savanna” scenario of human evolution. The theory, primarily based on fossil evidence, suggests that because our ancestral ape ...