Shea Stephens

Wellness enthusiasts have become enamored with a synthetic dye called methylene blue.

As Sarah Bowden reports, some believe it improves mood and memory and slows aging.

Sarah Bowden reporting.

This is NPR.

Live from NPR News in Washington, I'm Shea Stephens.

The 32-year-old son of actor, director, and producer Rob Reiner and his wife Michelle is being held on $4 million bail.

Nick Reiner is accused of murdering his parents Sunday in their Los Angeles home.

As Steve Futterman reports, condolences are pouring in from around the nation, as well as criticism from President Trump.

Steve Futterman in Los Angeles.

The governor of Puerto Rico has signed an anti-transparency bill that will make it harder to obtain public records.

Details from Kayvon Antonio Heydari in San Juan.

A year ago today, a gunman opened fire at a private school in southern Wisconsin, killing three people.

Sarah Lear of Wisconsin Public Radio has this remembrance.

U.S.

futures are flat in after-hours trading on Wall Street.

On Asia-Pacific markets, shares are down around 1 percent.

This is NPR.

In Australia, lawmakers say they'll work to tighten that nation's gun laws following the mass shooting at a Hanukkah celebration in Sydney.

At least 15 people were killed in Sunday's attack.

Police say one of two gunmen is also among the dead, while a second suspect is in custody.