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Pope Francis presides over a special prayer in St. Peter’s Basilica at the Vatican on March 25, 2022, before heading out to Malta for a two-day visit. AP Photo/Gregorio Borgia, File

Pope Francis’ visit to Malta highlights the role of St. George Preca, an advocate for teaching the gospel

Malta’s St. George Preca was canonized in 2007. Pope Francis’ visit to Malta renewed attention on Preca’s life and work and how it could provide guidance for the welfare of refugees.
A U.S. Air Force jet performs a test drop of a B61-12 bomb in December 2021. That bomb can contain a nuclear warhead for use in wartime. Los Alamos National Laboratory

What countries have nuclear weapons, and where are they?

Both the Russian and US arsenals boast thousands of nuclear weapons, located in various places around their own countries and, for the US, in Europe as well.
U.S. universities are cutting ties with their Russian counterparts, such as Moscow State University, shown here. Alexander Nemenov/AFP via Getty Images

The war in Ukraine ruins Russia’s academic ties with the West

Decades of collaboration between Western and Russian universities have come to a halt because of the war in Ukraine. An expert on U.S.-Russia relations explains what’s at stake.
‘Le Régime du corps’ described a variety of ways to maintain health by keeping the body in balance. The Bute Painter, circa 1285, MS Arsenal 2510, © Bibliothèque nationale de France

Medieval illustrated manuscripts reveal how upper-class women managed healthy households – overseeing everything from purging, leeching and cupping to picking the right wet nurse

This illustrated health manual dating back to the 13th century provides a glimpse of daily life in aristocratic households during the Middle Ages.
Several sites, such as this one near Freeport, Texas, store the hundreds of million of barrels in the United States’ Strategic Petroleum Reserve. Department of Energy via AP

Biden bets a million barrels a day will drive down soaring gas prices – what you need to know about the Strategic Petroleum Reserve

The total release could reach 180 million barrels over six months, which would make it the biggest in the history of the Strategic Petroleum Reserve.
Transgender people of color face more than their share of discrimination and violence. We Are/DigitalVision via Getty Images

Transgender people of color face unique challenges as gender discrimination and racism intersect

Being both trans and a person of color comes with a unique set of challenges. Collectively working toward overcoming these barriers is one way this community fights for survival.
The U.S. has evacuated 84,600 Afghans since August 2021, but many of these people remain in a legal limbo. Master Sgt. Donald R. Allen/U.S. Air Forces Europe-Africa via Getty Images

Afghan evacuees lack a clear path for resettlement in the U.S., 7 months after Taliban takeover

The U.S. has promised to take in 100,000 Ukrainian refugees. But there is concern that this could further complicate efforts to welcome and resettle Afghan evacuees.
Members of the Association of Transgender and Hijra at Bengal light a lamp to mark Transgender Day of Bengal in Kolkata, India, in 2017. AP Photo/Bikas Das

Transgender women are finding some respect in India, but a traditional gender-nonconforming group – hijras – remains stigmatized

A sociologist explains that the ability to claim transgender identities in India may appear progressive, but this can further marginalize historically stigmatized gender-nonconforming groups.
For some, promoting cryptocurrencies is political activism. Vasil Dimitrov/E+ via Getty Images

Behind the crypto hype is an ideology of social change

Many people promoting cryptocurrencies are looking for something bigger than the future of financial transactions. They’re aiming to break free of governments and corporations.
As the population of American Indian and Alaska Native adults ages, the risk for Alzheimer’s disease and other dementias – along with various chronic conditions – goes up. grandriver/E+ via Getty Images

Much of the cost of dementia care in aging Native American adults is due to hospitalization

A clearer understanding of the true treatment costs of dementia for American Indian and Alaska Native adults could help health services better meet the needs of the populations they serve.
Different types of data can influence how parents select schools for their children. Viktorcvetkovic/E+ via Getty Images

A new way to pick the best school for your child

An education researcher explains how most school rating websites lack a key piece of information about school performance.
The brain responds differently to natural touch on a finger versus a direct electrical stimulation. Sebastian Kaulitzki/Science Photo Library

Restoring touch through electrodes implanted in the human brain will require engineering around a sensory lag

When designing neuroprosthetic devices for users to control with their thoughts, engineers must take into account the sensory information brains collect from the environment and how it gets processed.
Activists participate in a march urging Congress to pass voting rights legislation in Washington, D.C., on Aug. 28, 2021. Tom Williams/CQ-Roll Call, Inc via Getty Images

Black Lives Matter protests are shaping how people understand racial inequality

The Black Lives Matter movement is having a lasting impact on the racial reckoning in the US that was triggered after the murder of George Floyd by a white police officer in 2020.