A new, wide-ranging exploration of human remains casts doubt on a long-standing theory in archaeology known as the Kurgan hypothesis -- which, among other claims, suggests that humans first domesticated horses as early as the fourth millennium B.C.

Using MRI scans of almost 1,000 Dutch people, researchers show that there is indeed a connection between brain structure and ideology. However, the connection is smaller than expected. Nevertheless, the researchers find it remarkable that differences in the brain are linked to something as abstract as ideology.

Large language models (LLMs) have developed rapidly in recent years and are becoming an integral part of our everyday lives through applications like ChatGPT. An article explains the opportunities and risks that arise from the use of LLMs for our ability to collectively deliberate, make decisions, and solve problems.

Scientists now understand why some gray horses turn completely white as they age, while others remain an eye-catching 'dappled' gray color.

Ecologists have long sought clarity on the dietary habits of different animal species. For scientists, it wasn't obvious how herbivores in Yellowstone National Park, who subsist on grasses, wildflowers and trees, could compete for enough of those foods to survive the winter. Over two years, with the aid of cutting-edge molecular biology tools and GPS...

As the school year revs up, a renowned child developmental psychologist highlights the robust benefits of pretend play on cognitive, social, and emotional development in children and cautions how 'learning through play' has changed with the demands of contemporary society. Given natural selection's shaping of childhood for the acquisition and refinement...