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Issues of equality and acceptance of transgender and nonbinary people — along with challenges to their rights — have become a major topic in the headlines. These issues can involve words and ideas and identities that are new to some.

That’s why we’ve put together a glossary of terms relating to gender identity. Our goal is to help people communicate accurately and respectfully with one another.

Proper use of gender identity terms, including pronouns, is a crucial way to signal courtesy and acceptance. Alex Schmider, associate director of transgender representation at GLAAD, compares using someone’s correct pronouns to pronouncing their name correctly – “a way of respecting them and referring to them in a way that’s consistent and true to who they are.”

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“Pronouns are basically how we identify ourselves apart from our name. It’s how someone refers to you in conversation,” says Mary Emily O’Hara, a communications officer at GLAAD. “And when you’re speaking to people, it’s a really simple way to affirm their identity.”

Kaz Fantone for NPR

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Veronica started using filters to edit pictures of herself on social media when she was 14 years old. She remembers everyone in her middle school being excited by the technology when it became available, and they had fun playing with it. “It was kind of a joke,” she says. “People weren’t trying to look good when they used the filters.”

But her younger sister, Sophia, who was a fifth-grader at the time, disagrees. “I definitely was—me and my friends definitely were,” she says. “Twelve-year-old girls having access to something that makes you not look like you’re 12? Like, that’s the coolest thing ever. You feel so pretty.”

When augmented-reality face filters first appeared on social media, they were a gimmick. They allowed users to play a kind of virtual dress-up: change your face to look like an animal, or suddenly grow a mustache, for example.
Today, though, more and more young people—and especially teenage girls—are using filters that “beautify” their appearance and promise to deliver model-esque looks by sharpening, shrinking, enhancing, and recoloring their faces and bodies. Veronica and Sophia are both avid users of Snapchat, Instagram, and TikTok, where these filters are popular with millions of people. Through swipes and clicks, the array of face filters enable them to adjust their own image, and even sift through different identities, with new ease and flexibility.

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Joan Wong

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Fish school, insects swarm, and birds fly in murmurations. Now, new research finds that on the most basic level, this kind of group behavior forms a new kind of active matter, called a swirlonic state. 

Physical laws such as Newton’s second law of motion — which states that as a force applied to an object increases, its acceleration increases, and that as the object’s mass increases, its acceleration decreases — apply to passive, nonliving matter, ranging from atoms to planets. But much of the matter in the world is active matter and moves under its own, self-directed, force, said Nikolai Brilliantov, a mathematician at Skolkovo Institute of Science and Technology in Russia and the University of Leicester in England. Living things as diverse as bacteria, birds and humans can interact with the forces upon them. There are examples of non-living active matter, too. Nanoparticles known as “Janus particles,” are made up of two sides with different chemical properties. The interactions between the two sides create self-propelled movement.

To explore active matter, Brilliantov and his colleagues used a computer to simulate particles that could self-propel. These particles weren’t consciously interacting with the environment, Brilliantov told Live Science. Rather, they were more akin to simple bacteria or nanoparticles with internal sources of energy, but without information-processing abilities. 

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(Image credit: Alex Solich/Getty)

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