challenge

The moth's caterpillars will only eat two plants - aspen and creeping willow - which makes it a challenge to conserve, according to Butterfly Conservation.

From BBC ● Aug. 14, 2026

The National Trust for Historic Preservation sued to challenge the project.

From The Wall Street Journal ● Aug. 14, 2026

In July he learned that any further attempt to challenge the Kremlin could land him in jail.

From Barron's ● Aug. 14, 2026

“DCOR is the poster child for why the Coastal Commission must retain its … ability to challenge yet another very bad idea that will increase the risk of a spill off our coast.”

From Los Angeles Times ● Aug. 14, 2026

Instead of the usual one to two hours, speed chess often takes only ten minutes to complete; five minutes or less if the players want to challenge themselves even more.

From "Endgame" by Frank Brady

Several women with busy careers spoke to the BBC about the challenges of juggling their work with motherhood in the only industrialised nation that does not mandate paid parental leave.

From BBC ● Aug. 15, 2026

“In this new season. Anakin continues to advise Ahsoka. He challenges her and pushes her to answer the most important question in her life: Are you or are you not a Jedi?”

From Los Angeles Times ● Aug. 15, 2026

McNamara said the EU had met with the opposition, government and even the chief justice to stress that any challenges to the vote outcome should be handled "peacefully".

From Barron's ● Aug. 15, 2026

Yes, having different schedules from a potential partner can be difficult — especially if you get more serious and want children — but every relationship comes with its challenges.

From MarketWatch ● Aug. 14, 2026

These women of courage take on new challenges and adventures.

From "Women in Space" by Karen Bush Gibson

Starting a year ago, the court itself began to employ the term biological sex in equal-protection decisions in which transgender claimants challenged laws imposing requirements for gender-affirming care, passport identification, and participation in sports.

From Slate ● Aug. 7, 2026

"I liked the idea of being challenged and had always admired women in non-traditional roles," she says.

From BBC ● Aug. 6, 2026

Although that transaction has closed, it is being challenged in court by eight states seeking to block the merger on antitrust grounds.

From The Wall Street Journal ● Aug. 6, 2026

In a suburban Tucson district, Republican Rep. Juan Ciscomani is seeking reelection, challenged by Democrat JoAnna Mendoza, a former Marine.

From Los Angeles Times ● Aug. 5, 2026

“Oh. Think you’re clever. We’ll see who’s clever,” he challenged.

From "The World According to Humphrey" by Betty G. Birney

Beyond challenging established ideas about brain immunity, the finding could eventually provide a new strategy for developing treatments aimed at the brain.

From Science Daily ● Aug. 14, 2026

Assessing opposition to the war is challenging due to censorship.

From Barron's ● Aug. 14, 2026

NHS medical director Prof Frankie Swords praised the "outstanding professionalism" of staff and said the situation was making delivering care challenging.

From BBC ● Aug. 13, 2026

Still, the extended deployment and challenging conditions weighed on servicemembers.

From The Wall Street Journal ● Aug. 13, 2026

Modulations can make harmonic analysis much more challenging, so try to become comfortable analyzing easier pieces before tackling pieces with modulations.

From "Understanding Basic Music Theory" by Catherine Schmidt-Jones and Russel Jones