Scientists at the Large Hadron Collider triumphantly announced the discovery of the Higgs boson back in the summer of 2012. Nicknamed â€œthe God particle,â€ it was the last new undiscovered particle predicted by the backbone theory of particle physics.
An important discrepancy in measurements of the universe’s acceleration has theorists wondering whether we’ve gotten something fundamentally wrong in our understanding of the history of the universe.
Harvard physicist Cumrun Vafa is one of string theory’s strongest proponents. But this winter, other string theorists have been reeling from his latest conjecture, which might invalidate their ideas built on a decade-long assumption that dark energy is constant. Vafa’s work implies that dark energy’s value changes.