challenge

Using an advanced 3D imaging technique, the team was able to see deep inside the crystal for the first time, revealing hidden features that challenge decades of scientific assumptions.

From Science Daily ● Oct. 25, 2026

The test was a hacking challenge in which its LLM was paired with a program that suggests strategies and provides software tools, without human supervision.

From Slate ● Oct. 25, 2026

During a simulated bacterial challenge, CBN reduced the body's ability to defend itself.

From Science Daily ● Oct. 25, 2026

With the understatement typical of an Orkney islander, lead mechanical technician Ewan Leonard told me the winter weather could be "a bit of a challenge."

From BBC ● Oct. 24, 2026

The young women wondered if the attention to detail was a subtle challenge.

From "A Thousand Sisters" by Elizabeth Wein

But the prime minister suggested the type of migration experienced during the years of EU membership was "different" from the challenges faced now.

From BBC ● Oct. 25, 2026

Lee told AFP that Prue's journey resonated for her, and recalled some of her own challenges in adolescence.

From Barron's ● Oct. 25, 2026

Their findings suggest that language may reflect the challenges humans face when navigating uncertain environments, maintaining relationships, and identifying threats.

From Science Daily ● Oct. 24, 2026

The many challenges along the way included a request by Evans to be cut in on potential profits from the film, which A24 agreed to, going against norms in documentary filmmaking.

From The Wall Street Journal ● Oct. 23, 2026

All the domestic and international challenges facing the Adams presidency looked entirely different to Jefferson and Madison.

From "Founding Brothers: The Revolutionary Generation" by Joseph J. Ellis

In Seat 2, incumbent Steve Veres is being challenged by three candidates: writer Robert Payne, business owner Kristina Irwin and educator Adriana Cabrera.

From Los Angeles Times ● Oct. 25, 2026

Readers challenged our columnist to take an affordable electric car on a route with less-than-ideal charging options.

From The Wall Street Journal ● Oct. 23, 2026

His lawyers challenged the claim, citing "several inconsistent versions of the allegations", including a reference to $5 million rather than euros at a Mauritian bail hearing.

From Barron's ● Oct. 23, 2026

The judge said Marimi's allegations "at best suggest that US government officials exerted pressure on Libyan officials to facilitate a rendition, not that US government officials directed or controlled the challenged conduct."

From BBC ● Oct. 22, 2026

At one o’clock in the morning, a square-jawed private arrived at the barracks, roused Captain Babushkinov, and informed him that the furious general had challenged him to a duel.

From "The Long-Lost Home" by Maryrose Wood

A remarkably preserved 150-million-year-old bird fossil discovered in China is challenging long-standing ideas about how birds evolved.

From Science Daily ● Oct. 24, 2026

He didn’t exercise in public or show off his abs, and there is no record of him ever leading his troops in calisthenics or challenging his peers to a pull-up contest.

From Salon ● Oct. 24, 2026

What started off as a demonstration over the poor state of high schools has expanded to a general frustration, even anger, over how challenging and expensive life has become.

From BBC ● Oct. 23, 2026

Divorce is not just about legal and financial separation; the most challenging part of all is emotional separation and closure.

From MarketWatch ● Oct. 23, 2026

Joon stands with his hands on his hips like he is challenging the kid to do better.

From "A Step from Heaven" by An Na