Discover the latest news, features and articles about the origin of the human species and what makes us different from our ...

Charles Darwin's theory of evolution generated scientific debate and discussion not only in Darwin's own time, but for decades afterward. In the latter part of the nineteenth century and the until the ...

The Indigenous peoples of the Bolivian highlands are survivors. For thousands of years they have lived at altitudes of more than two miles, where oxygen is about 35 percent lower than at sea level.

Modern humans descended from not one, but at least two ancestral populations that drifted apart and later reconnected, long before modern humans spread across the globe. Using advanced analysis based ...

Integrating mechanistic and evolutionary analysis of life history variation / Christian Braendle, Andreas Heyland, and Thomas Flatt -- Genomic insights into life history evolution / Derek A. Roff -- ...

Tempo, mode, the progenote, and the universal root / W. Ford Doolittle and James R. Brown -- Phylogeny from function : the origin of tRNA is in replication, not translation / Nancy Maizels and Alan M.

The traditional explanation of the initial genetic code in life seems less established when ancient proteins seem to be ...

The human gastrointestinal tract is in a constant state of flux; it hosts a diverse and dynamic community of microbes known as the gut microbiome, and is constantly exposed to things in the ...

In tropical climates, lizards are everywhere. It can be a bit wild to see, and they come in all shapes and sizes. They seem a tad superfluous in such large varieties leaving one to wonder, what ...