In February 2020, mathematician Lisa Piccirillo ended a 50 year-old suspens by finding a property for a fascinating knot discovered by John Conway 50 years ago.

Lisa Piccirillo's article on ArXiv (pdf): https://arxiv.org/abs/1808.02923

Some articles on her discovery:
Quanta magazine: https://www.quantamagazine.org/gradua...
And: https://www.quantamagazine.org/math-i...
Science & avenir : https://www.sciencesetavenir.fr/fonda... knot-theory-puzzles_144824
BBC Africa: https://www.bbc.com/afrique/region-53...

Two El Jj videos on John Conway and his works:    • John Conway - Deux (deux ?) minutes p...  
and (on the audioactive suite):    • Deux (deux ?) minutes pour la suite d...  

The video playlist of the Numberphile channel with Conway:
   • John Conway on Numberphile  

Image des Mathematics article on Vaughan Jones, by Aurélien Alvarez:
https://images.math.cnrs.fr/Des-tress...

Two Science Podcast shows on math knots and their usefulness outside of math:
https://www.podcastscience.fm/emissio...
https://www.podcastscience.fm/emissio...

On the 4th dimension, the film Dimension by Jos Leys, Étienne Ghys and Aurélien Alvarez:
http://www.dimensions-math.org/Dim_fr...

For further :
The Knot Wiki, Knot Atlas: http://katlas.org/

A series of filmed courses on knot theory, by Anthony Bosman, for those who want to go further into technical details:    • Knot Theory 1: Coloring  

Illustrations: Chloé Bouchaour
Instagram:   / chloescope_