How Black cops could beat an unarmed Black motorist

Tyre Nichols’ death prompts calls for federal legislation to promote police reform – but Congress can’t do much about fixing local police

Alexis Karteron, Rutgers University - Newark

Since Tyre Nichols’ death there are renewed calls for Congress to pass police reform legislation. But the federal government has almost no control over state and local police departments.

Ultra-processed foods – like cookies, chips, frozen meals and fast food – may contribute to cognitive decline

Sara N. Burke, University of Florida

Researchers are trying to understand whether ultra-processed foods erode brain health in the aging process.

Medicaid coverage is expiring for millions of Americans – but there’s a proven way to keep many of them insured

Mark Shepard, Harvard Kennedy School

Evidence from Massachusetts suggests that a multistep process discourages enrollment. The findings could help policymakers stave off a sharp decline in coverage when COVID-19 policies change.

US is spending record amounts servicing its national debt – interest rate hikes add billions to the cost

Gerald P. Dwyer, Clemson University

The US spent $213 billion paying interest on the national debt in the fourth quarter of 2022 as the Fed jacked up borrowing costs at an unprecedented pace.

Mini creatures with mighty voices know their audience and focus on a single frequency

Bernard Lohr, University of Maryland, Baltimore County

From insects to birds to bats to frogs, these little loudmouths have found ingenious ways to deliver their messages at high volume.

Microbes in your food can help or hinder your body’s defenses against cancer – how diet influences the conflict between cell ‘cooperators’ and ‘cheaters’

Gissel Marquez Alcaraz, Arizona State University; Athena Aktipis, Arizona State University

Cancer cells are ‘cheaters’ that do not cooperate with the rest of the body. Certain microbes in your diet can either protect against or promote tumor formation by influencing cell cooperation.

Black college students who turn to their faith think less about suicide

Janelle R. Goodwill, University of Chicago

Self-blame was found to be associated with experiencing suicidal thoughts.

Big Tech is firing employees by the thousands. Why? And how worried should we be?

Liver King: how the rise of mega-influencers has put consumers at risk

Why Russia’s war in Ukraine today is so different from a year ago