Charles Helm does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond their ...

The , which started 2.6 million years ago and lasted until about 11,700 years ago, was crucially important for our hominin ancestors. Homo sapiens first evolved in this era, about 200,000 years ago.

The Pleistocene epoch, which started 2.6 million years ago and lasted until about 11,700 years ago, was crucially important for our hominin ancestors. Homo sapiens first evolved in this era, about 200 ...

Foot-powered, moss-green sewing machines whir away near the western bank of the Sumida River in Chuo Ward, Tokyo, stitching ...