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This light micrograph from the brain of someone who died with Alzheimer's disease shows the plaques and neurofibrillary tangles that are typical of the disease. A glitch that prevents healthy cell structures from transitioning from one phase to the next might contribute to the tangles, researchers say.

New Clues To ALS And Alzheimer's Disease From Physics

Structures inside healthy brain cells nimbly move from one state to the next to perform different functions. But in certain degenerative brain diseases, scientists now think, that process gets stuck.

Traveling this summer? Here are book picks for all 50 states (and then some)

Poets laureate and other literary luminaries from all 50 states plus D.C. and Puerto Rico recommend quintessential reads that illuminate where they live.

Marine Chief Warrant Officer Cooper Williams discusses his case after being allowed to retire.

One Marine saved from flawed misconduct process

The wars are over, but the battle has just started for many troops dealing with injuries.

In the year since the Jan. 6, 2021, riot at the U.S. Capitol, federal prosecutors have charged more than 700 people related to the attack.

5 takeaways from the Capitol riot criminal cases, one year later

NPR has been tracking every criminal case related to the insurrection at the U.S. Capitol on Jan. 6, 2021. One year after the riot, here are some of the key patterns that have emerged from the cases.

Staff Sgt. Zalima Shaver in Afghanistan in 2009.

Veterans Of The War In Afghanistan Reflect On The Rapid Collapse

Many veterans long supported an end to the war in Afghanistan, but they also watched with anger and disbelief as the country, seemingly overnight, fell to the Taliban.

Singer R. Kelly appears in a Chicago courtroom in March 2019. The charges that R. Kelly faces in New York include racketeering "to prey upon young women and teenagers," and sexually trafficking these girls and women between states.

R. Kelly's Trial Has Begun. The Singer Faces Decades Of Sex Abuse Charges

The charges that R. Kelly faces in New York include racketeering "to prey upon young women and teenagers" and sexually trafficking these girls and women between states.

TikTok's data collection practices, including how the app harvests information about users' faces and voices is now the subject of Congressional scrutiny.

Senators Demand TikTok Reveal How It Plans To Collect Voice And Face Data

Sens. Amy Klobuchar D-Minn., and John Thune, R-SD., said they are alarmed by TikTok's recent changes to its privacy policies that automatically collect biometric data of its users.

UC San Diego's School of Medicine is shown in this undated photo.

UC San Diego Study Finds Brain Regions Respond In Opposing Ways To Loneliness, Wisdom

Researchers at UC San Diego School of Medicine found that specific regions of the brain respond to emotional stimuli related to loneliness and wisdom in opposing ways in a study published Friday.

Veterans Who Supported Ending The War In Afghanistan Describe Seeing The Country Fall

Many veterans long supported an end to the war in Afghanistan, but they also watched with anger and disbelief as the country fell — seemingly overnight — to the Taliban.

Hilltop High School in Chula Vista is seen in this photo on July 29 2021.

South Bay Schools Report COVID-19 Cases

At least two South Bay schools have reported COVID-19 cases since the start of school on July 21, 2021. Schools have some options for students who have been exposed to the virus.

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