Two mathematicians have proved that a straightforward question—how hard is it to untie a knot?—has a complicated answer.

Background Adverse childhood experiences (ACEs) are linked to poor health and social outcomes, with growing interest in their ...

Marijn Heule turns mathematical statements into something like Sudoku puzzles, then has computers go to work on them. His ...

A new study has suggested that the idea of our universe being a simulation does not hold up at all, and it’s not because of a ...

This study is useful because it challenges the widely accepted notion that muscle stem cell numbers decline with aging, providing novel insights into population heterogeneity and the identification of ...

The belief that we are living in a Matrix-like simulation has has grown traction in recent years, but boffins believe they ...