Last year, onlookers observed a startling site on China’s Qiantang River: waves forming a grid-like pattern. Dubbed the “matrix tide,” this complex wave pattern was caused by the river’s famed tidal ...

Using mathematics, the researchers were able to show that the 2PM plus light model behaves like a system of nonlinear oscillators - a sleep-wake oscillator, the oscillations of the body clock and the ...

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, ...