The common assumption among historians was that khipus were the exclusive tools of elite male bureaucrats, the khipukamayuqs.

Type 1 diabetes occurs when the immune system mistakenly destroys beta cells in the pancreas, which produce insulin. For ...

The bone container is a hollowed-out sheep or goat femur intentionally sealed at one end with a birch-bark tar plug. It ...

The internet has rewritten the rules for how we work, how we shop, and even how we fall in love. In the mid-20th century, ...

Chemicals may be turning female birds into males in the wild and the phenomenon might be more common than we think.

OpenAI claims that its new flagship model, GPT-5, marks “a significant step along the path to AGI” – that is, the artificial general intelligence that AI bosses and self-proclaimed experts often claim ...

Now, researchers at University College London and their collaborators have engineered a new class of indoor solar cell that ...

A new study from researchers at the University of Otago in New Zealand suggests that people who deliberately choose a ...

Because the jet is aimed almost directly toward Earth, its brightness is amplified “by a factor of 30 or more,” said ...

The 5,700-year-old remains bear chilling signs of slaughter and consumption.

In the lexicon of economic afflictions, “stagflation” is one of the bad ones. The term (a portmanteau of “stagnation” and ...