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 ...

A zigzag stitch enables fabric to stretch until the thread is straight. University of Tartu researchers report in Advanced ...

In recent years, China has quietly shifted its strategy in international development cooperation. Once focused almost exclusively on bilateral assistance, Beijing now embraces triangular development ...

Triangular debt, a problem that first troubled China’s economy over three decades ago, has resurfaced as the country’s post-pandemic recovery is challenged by weak demand at home and abroad.