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Protestant Christians have been debating – and more often than not, supporting – modern contraceptives since they first appeared. Bettmann/Bettman via Getty Images

Protestants and the pill: How US Christians helped make birth control mainstream

Conservative Christians have cheered restrictions on some birth control. But many decades ago, Christian leaders’ support helped contraceptives become acceptable in the first place.
Protons and neutrons in an atom’s nucleus can be arranged in different configurations, creating nuclear isomers. KTSdesign/SciencePhotoLibrary via Getty Images

Nuclear isomers were discovered 100 years ago, and physicists are still unraveling their mysteries

Nuclear isomers are rare versions of elements with properties that mystified physicists when first discovered. Isomers are now used in medicine and astronomy, and researchers are set to discover thousands more of them.
In Canada, the French and English languages generally peacefully coexist. Jeff Greenberg/Universal Images Group via Getty Images

Conflicts over language stretch far beyond Russia and Ukraine

It’s common for people to live near others who speak a different – but similar – language. But generally, they handle their differences without violence.
Interior view of Polito’s Royal Menagerie, Exeter Change, Strand, Westminster, London, 1812. Heritage Images/Hulton Archives via Getty Images

Where was the world’s first zoo?

Historians aren’t sure exactly when the first zoo was built, but it’s clear humans have kept exotic animals for thousands of years.
Phoenix Mercury center Brittney Griner before a WNBA game in 2015. Tony Quinn/Icon Sportswire/Corbis/Icon Sportswire via Getty Images

After initial silence, the Biden administration is making moves to free WNBA star Brittney Griner from Russian detention

At 6 feet, 8 inches tall, Brittney Griner has become an international basketball star. She is now locked up in a Russian prison after what US officials describe as “wrongfully detained.”
Many mass shooters show signs of distress before their attack. Smederevac via iStock/Getty Images Plus

Accused Buffalo mass shooter had threatened a shooting while in high school. Could more have been done to avert the tragedy?

When young people plan a mass shooting, especially at a school, they typically reveal their plans in advance. Two scholars weigh in on whether the warning signs are being heeded in the right way.