Can Grade Retention Help with COVID-19 Learning Recovery in Schools?

Requiring low-performing students to repeat a grade has been a long-standing and highly debated intervention in the United States. Calls to end social promotion in schools in the 1990s, along with the increasing popularity of educational accountability and standardized testing, led to test-based retention policies in many states and school districts. As of 2020, for… Continue reading Can Grade Retention Help with COVID-19 Learning Recovery in Schools?

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How Magnetic Fields Control Galactic Growth

The Milky Way’s rotating disk of gas and dust gives rise to graceful spiral arms, which make up the galaxy’s most active star formation sites. Now researchers using an airplane-borne telescope high in Earth’s atmosphere have found a mechanism for how magnetic fields shape star birth in the dense filaments, or “bones,” that wind their… Continue reading How Magnetic Fields Control Galactic Growth

Why U.S. Military Interventions Fail and What to Do About It

American soldiers have been deployed abroad almost continuously since the end of World War II. The best-known foreign interventions—in Vietnam, Afghanistan, and Iraq—were large, long, and costly. But there have been dozens of other such deployments, many smaller or shorter, for purposes ranging from deterrence to training. Taken as a whole, these operations have had… Continue reading Why U.S. Military Interventions Fail and What to Do About It

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Why the Brain’s Connections to the Body Are Crisscrossed

Dazzling intricacies of brain structure are revealed every day, but one of the most obvious aspects of brain wiring eludes neuroscientists. The nervous system is cross-wired, so that the left side of the brain controls the right half of the body and vice versa. Every doctor relies upon this fact in performing neurological exams, but… Continue reading Why the Brain’s Connections to the Body Are Crisscrossed

How Physicists Cracked a Black Hole Paradox

A few years ago a team of chemists unboiled an egg. Boiling causes protein molecules in the egg to twist around one another, and a centrifuge can disentangle them to restore the original. The technique is of dubious utility in a kitchen, but it neatly demonstrates the reversibility of physics. Anything in the physical world… Continue reading How Physicists Cracked a Black Hole Paradox

Violence in Schools, Neurodiversity and National Security, Drug Cartels: RAND Weekly Recap

This week, we discuss how to encourage threat reporting to help keep schools safe; why national security organizations need a neurodivergent workforce; the F.D.A. approval of over-the-counter Narcan sales; the implications of labeling drug cartels foreign terrorists; what happens when struggling students repeat a grade; and helping veterans find employment during a recession. Photo by… Continue reading Violence in Schools, Neurodiversity and National Security, Drug Cartels: RAND Weekly Recap

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The Mystery of St. Toribio Romo (El Padre Pollero, El Santo Coyote)

Podcast: Download MYS256: St. Toribio Romo was born to a poor family in Mexico and became a priest in a time when the Church was being persecuted. He was eventually martyred. Jimmy Akin and Dom Bettinelli explore the saint’s life and death and the strange mystery that surrounds him today. Get all new episodes automatically… Continue reading The Mystery of St. Toribio Romo (El Padre Pollero, El Santo Coyote)

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