Welcome to Sunday! The top five articles on our website are displayed below.

A good read you may have missed: Closing arguments are expected tomorrow in the trial of Derek Chauvin. The former Minneapolis police officer is facing two murder charges and one manslaughter charge in the death of George Floyd. The case has drawn national attention to the way America’s police forces are trained – and widespread demands for reforms to end such police-involved killings, which disproportionately affect people of color.

In a 2018 article, Nidia Bañuelos of UC Davis examined one common suggestion for reform: the idea of sending police to college. It is an idea that was tried, and ultimately failed, at UC Berkeley starting in 1908.

Emily Costello

Managing Editor

Two new papers shed light on a longstanding mystery in particle physics. Zmeel/E+ via Getty Images

Proof of new physics from the muon’s magnetic moment? Maybe not, according to a new theoretical calculation

Zoltan Fodor, Penn State

For 15 years, there has been a mismatch in physics. A particle called the muon wasn't behaving the way theory predicted it should. A new theory and new experiment might solve this problem.

In an ongoing study, most of those interviewed seemed to recognize that they were happier in their 30s than they were in their 20s. RyanJLane via Getty Images

At what age are people usually happiest? New research offers surprising clues

Clare Mehta, Emmanuel College

A developmental psychologist explains how a period of life that's often hectic and stressful can also end up being quite rewarding.