Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...

In 1876, Peter Guthrie Tait set out to measure what he called the “beknottedness” of knots. The Scottish mathematician, whose research laid the foundation for modern knot theory, was trying to find a ...

Fairy knots: Sounds like one of 2024's biggest hair trends, right? Not so much—and those who know the truth understand they're as pesky and mischievous as their namesake. “Also known as single-strand ...

Whether it's tying your shoelaces or doing up your tie, many of us use knots on a daily basis. Despite this, research has shown that humans are 'terrible' at judging knots. Scientists from Johns ...

Humans are pretty good at guessing whether a towering stack of dishes in the sink will topple over or where a pool ball will go when a cue hits it. We evolved this kind of physical reasoning to ...

Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London.View full profile Alfredo has a PhD in Astrophysics and a Master's in Quantum ...