Our universe's most extreme stars sometimes 'glitch' — we may now know why 

 A unified approach of quantum physics and astrophysics may have brought scientists closer to understanding the "glitches" experienced by ultradense dead stars called neutron stars. 

https://cdn.mos.cms.futurecdn.net/PsjLNk7jz6hSyVANJahzMV.jpg

https://www.space.com/neutron-star-glitches-quantum-simulations-matter-lab