Overlooked No More: Polina Gelman: Fearless ‘Night Witch’ Who Haunted Nazi Troops

She was a navigator with an all-female unit of Soviet aviators who attacked German troops at night, whooshing in wooden planes like witches on broomsticks.

News
Do I Really Need an Air Purifier?

We asked the experts how to decide.

News
Can A.I. Quicken the Pace of Math Discoveries?

Breakthroughs in pure mathematics can take decades. A new Defense Department initiative aims to speed things up using artificial intelligence.

News
When College Graduates Throw Away Expensive Things, Scavengers Dive In

For local scavengers, graduation season is a great time to salvage expensive household items and luxury goods abandoned by departing students.

News
Interior Department Weighs Less Conservation, More Extraction

A leaked version of the department’s five-year strategic planning document favors privatization and economic returns from the nation’s public lands.

News
Maryland Mental Hospital With Painful History to Rebuild

The former Hospital for the Negro Insane of Maryland was once the state’s most crowded psychiatric institution. Pulling off a plan to redevelop it won’t be easy.

News
Why Young Investors Are Not Worried About Stock Market Swings

While retirees and others fretted about their portfolios, some members of Gen Z and younger millennials kept calm and bought the dip.

News
Can the Army Make Food Its Soldiers Want to Eat?

Robert Irvine has been enlisted to overhaul the dreary mess halls that drive many soldiers to less-healthy choices.

News
Digital Therapists Get Stressed Too, Study Finds

Chatbots should be built with enough resilience to deal with difficult emotional situations, researchers said.

News
Tea Leaves Can Steep Away Lead, Study Finds

Researchers found that compounds in black and green tea leaves acted like “little Velcro” hooks on lead molecules.

News