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U.S. Secretary of State Antony Blinken speaks during the 2022 Review Conference of the Parties to the Treaty on the Nonproliferation of Nuclear Weapons at the United Nations on Aug. 1, 2022. Angela Weiss/AFP via Getty Images

Why are nuclear weapons so hard to get rid of? Because they’re tied up in nuclear countries’ sense of right and wrong

Policymakers often think of their decisions about nuclear weapons as moral, a nuclear ethicist explains – which is key to understanding their motives.
Parents take different approaches to raising their kids. Maskot via Getty Images

Parenting styles vary across the US

In some regions of the country, mothers and fathers have different approaches than their counterparts in other regions.
A makeshift memorial where a tractor-trailer was discovered with 53 dead migrants inside, near San Antonio, Texas, June 29, 2022. Chandan Khanna/AFP via Getty Images

Crossing the US-Mexico border is deadlier than ever for migrants – here’s why

A 1994 US policy was supposed to deter migration by securing popular access points. Instead, it drives people to enter the US by more hazardous means, such as being crammed in hot tractor-trailers.
The U.S. BRAIN Initiative seeks to elucidate the connection between brain structure and function. Science Photo Library - PASIEKA/Brand X Pictures via Getty Images

Illuminating the brain one neuron and synapse at a time – 5 essential reads about how researchers are using new tools to map its structure and function

From figuring out where memories are stored to how sensory information translates to behavior, new technologies are helping neuroscientists better understand how the brain works.
A 95% reduction in the nicotine content of cigars and cigarettes would make these tobacco products largely nonaddictive. Robert Recker/The Image Bank via Getty Images

The US government’s call for deep nicotine reduction in cigarettes could save millions of lives – an expert who studies tobacco addiction explains

The proposed standard would lower the nicotine content in cigarettes and cigars by 95% – a public health proposal that could prevent millions from becoming smokers in the first place.
US House Speaker Nancy Pelosi and her delegation leave Taipei on August 3, 2022. Taiwanese Foreign Ministry/Handout/Andalou Agency via Getty Images

Nancy Pelosi’s Taiwan visit sparked international tension, but isn’t likely to shake up her popularity with Chinese American voters at home in San Francisco

While Chinese American voters are not a homogeneous group, many people who have ancestral ties to the region are unlikely to question their support for Nancy Pelosi just because of her Taiwan trip.
Simple steps can make the transition back to school run smoother. Courtney Hale / Getty Images

4 ways to get the new school year off to a good start

A veteran school administrator offers insights on how children’s caretakers can better prepare them for a new school year.
Handwritten diaries and digital diaries both help preserve experiences and memories, but in different ways. luza studios/E+ via Getty Images

Handwritten diaries may feel old fashioned, but they offer insights that digital diaries just can’t match

As material objects, diaries give scholars an intimate look into their subjects’ lives, including handwriting and mementos. What if diaries in the future are nothing but insubstantial digital ghosts?
A variety of factors have caused the U.S. inflation rate to increase over the past few years, from the pandemic to the war in Ukraine. Javier Ghersi/Moment via Getty Images

Inflation rates are rising in the US – an economist explains why

Rising inflation rates due to supply-side factors – COVID-19, Ukraine and supply chain shortages – make countering inflation difficult for the central bank.

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