An interesting news article about a newly discovered - conceptual - mathematical object resembling a multifaceted jewel in higher dimensions, called an amplituhedron, that challenges the notion that space and time are a reality. Perhaps they'll figure out how gravity really works one day too.
https://www.simonsfoundation.org/quanta/20130917-a-jewel-at-the-heart-of-quantum-physics/
https://www.simonsfoundation.org/quanta/20130917-a-jewel-at-the-heart-of-quantum-physics/