Car production is shrinking in China's Chongqing, and auto workers struggle to transition.

(Image credit: Rob Schmitz/NPR)

New cases of asthma dropped dramatically in Los Angeles communities where air quality improved the most over 20 years. The results illustrate health benefits from pollution control.

(Image credit: Frederic J. Brown/AFP/Getty Images)

The kilogram is now based on energy changes in the quantum world rather than a physical object. Here's how that works.

Six down. Four to go.

Critics say a plan to build new prisons won't solve the entrenched, underlying issues in the state prison system that have been found to be unconstitutional.

(Image credit: Debbie Elliott/NPR)

The Empire of Ashes – the third and final volume in the Draconis Memoria trilogy – is released today in the USA and Canada. Reviews and a sample chapter are on the book page.

Buy The Empire of Ashes US paperback here: Amazon.com –  Barnes & Noble

Other editions –
Ebook:  Amazon.com –  Amazon.co.uk –  Nook –  iBooks  –  Kobo  –  Google Play

US hardcover:   Amazon.com –  Barnes & Noble  –  Indiebound

UK hardcover:  Amazon.co.uk –  Waterstones –  Wordery  –  Hive.co.uk

Audiobook:  Audible.com –  Audible.co.uk  –  iTunes  –  Kobo

Buy the UK paperback:  Amazon.co.uk  –  Waterstones –  Wordery –  Hive.co.uk

Reminder – if you like to read to a musical accompaniment don’t forget the Draconis Symphonia composed by the terribly talented Will Musser. Will has also composed some music for The Wolf’s Call, so watch out for that closer to the release date.

A couple times a year, the International Space Station orbit happens to align over the day/night shadow line on Earth.

A new feature in some 2020 models will kick in if "Teen Driver" mode is on. If a driver turns on the car without wearing a seat belt, the car will temporarily refuse to shift out of park .

(Image credit: John F. Martin for Chevrolet)

The Treadwell is a simple, inexpensive bike for getting around. And it has a sensor built into the wheel that lets you log (and study) all of your rides.

A Nepalese mountain climber has now climbed Mount Everest a record 24 times — and he's hoping to do it one more time before he retires.

(Image credit: Prakash Mathema/AFP/Getty Images)

The nonprofit Muslim Advocates, along with the three Muslims in Congress, held an iftar, the breaking of the daily fast during the Islamic holy month of Ramadan at the U.S. Capitol on Monday night.

(Image credit: Hannah Allam/NPR)

Vizio's almost-top-end 4K TV is a dazzling testament to the power of quantum dots in a LCD display. Our full review of the 65-inch and 75-inch models.

Some combination of data and machinery may finally provide an objective marker of pain—but beware of bias.

The push to end opioid abuse has ended up hurting the people who use the drugs legitimately. Now those chronic pain patients are starting a movement of their own.

In a two-week test, startup TuSimple will transport mail for the US Postal Service between Phoenix and Dallas.

Making abortion mostly illegal will kick off an unintentional, vast experiment in public health—one where the outcomes are sick or dying women and children.

For years after the Great Recession, employers were reluctant to boost wages. Now a tight labor market is giving workers the leverage they need to demand a larger slice of the nation's economic pie.

(Image credit: Sara Stathas for NPR)

Baltimore is just the latest municipality hit with a ransomware attack. Residents can't use the city servers they need to purchase homes, pay online bills or email city workers.

(Image credit: Emily Sullivan/WYPR)

Studying active volcanoes can be dangerous. Which is why a group of scientists from around the world came together to simulate volcanic blasts. What they're learning will help them at a real eruption.

(Image credit: NPR)

A new poll from NPR, Harvard and the Robert Wood Johnson Foundation gives a glimpse into rural life in America today, finding that many people living in rural communities live on the edge financially.

(Image credit: Sydney Boles for NPR)