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Understanding how artificial intelligence algorithms solve problems like the Rubik’s Cube makes AI more useful. Roland Frisch via Wikimedia Commons

How explainable artificial intelligence can help humans innovate

AI algorithms can solve hard problems and learn incredible tasks, but they can’t explain how they do these things. If researchers can build explainable AI, it could lead to a flood of new knowledge.
Just 20 amino acids for chains in various combinations to create the thousands of varieties of proteins in our body. David Goodsell/ProteinDatabase

What is a protein? A biologist explains

A biologist explains where proteins come from and what role the 20,000 or so proteins in your body play in keeping you alive and kicking.
A video screen displays Donald Trump’s face as he prepares to address a crowd of his supporters. Bill Clark/CQ-Roll Call, Inc via Getty Images

At impeachment hearing, lawmakers will deliberate over a deadly weapon used in the attack on Capitol Hill – President Trump’s words

Words have consequences. And decades of research supports the contention that Donald Trump’s words could in fact incite people to mount an insurrection at the US Capitol.
The yellow-and-red striped flag of the defeated American-backed Republic of Vietnam flies at the U.S. Capitol insurrection Jan. 6. Tayfun Coskun/Anadolu Agency via Getty Images

Why the flag of South Vietnam flew at US Capitol siege

Onlookers who recognized the flag wondered why the mostly white mob had ‘coopted’ Vietnamese history. But Vietnamese Americans are Trump supporters, too, some driven by a potent fear of socialism.
Trump supporters clash with police and security forces as people try to storm the U.S. Capitol Building in Washington, D.C., on Jan. 61. Joseph Prezioso/AFP via Getty Images

How can America heal from the Trump era? Lessons from Germany’s transformation into a prosperous democracy after Nazi rule

The US faces many of the same problems Germans faced after World War II: how to reject, punish and delegitimize the enemies of democracy. There are lessons in how Germany handled that challenge.
U.S. Secretary of Education Betsy DeVos speaks during the daily briefing on COVID-19 on March 27, 2020, in Washington, D.C. JIM WATSON/AFP via Getty Images

Through her divisive rhetoric, Education Secretary DeVos leaves a troubled legacy of her own

US Secretary of Education Betsy DeVos has resigned. Five experts comment on the impact she had on education.
Parler is similar to Twitter but doesn’t control or discourage hate speech or calls to violence. OLIVIER DOULIERY/AFP via Getty Image

Big Tech’s rejection of Parler shuts down a site favored by Trump supporters – and used by participants in the US Capitol insurrection

Millions of supporters of Donald Trump flocked to the far-right social media platform, where hate speech and calls for violence thrive. The US Capitol insurrection could be the platform’s undoing.
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.