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The Wi-Fi symbol, like the technology it represents, has become ubiquitous. Smith Collection/Gado via Getty Images

How does Wi-Fi work? An electrical engineer explains

Wi-Fi has become a fundamental part of modern digital life, but its foundation is the same as the technology that allowed your great-grandparents to listen to their favorite radio programs.
Trump supporters clash with police and security forces as they storm the U.S. Capitol. Joseph Prezioso/AFP via Getty Images

How should schools teach kids about what happened at the US Capitol on Jan. 6? We asked 6 education experts

Teachers shouldn’t avoid this topic, no matter how uncomfortable it might make them to discuss it with children and teens.
Saved from the trash heap and ready for transformation. Nathan Shaiyen/Michigan Tech

How to turn plastic waste in your recycle bin into profit

Consumers can turn plastic waste into valuable products at minimal cost using the open source technologies associated with DRAM – distributed recycling and additive manufacturing.
Children begin to learn grammar well before they start school, when they craft their first short sentences. RonTech2000/iStock via Getty Images Plus

Why does grammar matter?

Grammar isn’t a way to bully people for making mistakes, says a longtime English instructor. It is a way to understand how our language operates, in all its many written and spoken varieties.
Despite help from the government and charities, the number of food-insecure kids is rising. NurPhoto/Getty Images

18 million US children are at risk of hunger: How is the problem being addressed and what more can be done?

An estimated 1 in 4 US children have trouble getting enough to eat at least sometimes. We asked four scholars for their insights..
Japanese author Yukio Mishima speaks to Japanese Self-Defense Force soldiers at Tokyo’s military garrison station on Nov. 25, 1970. JIJI PRESS/AFP via Getty Images

Japan’s most famous writer committed suicide after a failed coup attempt – now, new photos add more layers to the haunting act

Like a Rorschach test, the incident offers limitless interpretations. But newly published photographs of Yukio Mishima in his final weeks alive show an artist obsessed with scripting out death.
In a year tied for the warmest on record globally, the U.S. was hit with costly hurricanes, wildfires, storms and drought. AP Photo/Noah Berger and Gerald Herbert

After a record 22 ‘billion dollar disasters’ in 2020, it’s time to overhaul US disaster policy – here’s how

NOAA released its list of climate and weather disasters that cost the nation more than $1 billion each. Like many climate and weather events this past year, it shattered the record.
How do we find hope when times are bleak? Peter Muhly/AFP via Getty Images

5 strategies for cultivating hope this year

A year of social disconnections, deaths, job losses and political violence may lead some people to feel overwhelmed and sad. A psychologist suggests ways to find and sustain hope.