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The image on the left shows the brains of pigs that were untreated for 10 hours after death, with neurons appearing as green, astrocytes as red and cell nuclei as blue. The image on the right shows cells in the same area of brains that, four hours after death, were hooked up to a system that the Yale University researchers call BrainEx.

Scientists Restore Some Function In The Brains Of Dead Pigs

The cells regained a startling amount of function, but the brains didn't have activity linked with consciousness. Ethicists see challenges to assumptions about the irreversible nature of brain death.

Native Hawaiians have objected to construction of the Thirty Meter Telescope for years. On Monday, about 300 protesters arrived to block workers from accessing the site on a mountain believed to be sacred land.

Hawaii Protesters Block Access Road To Stop Construction Of Massive Telescope

Native Hawaiians chained themselves to a grate in a road to stop work on the controversial Mauna Kea project on what they say is sacred land. Development is scheduled to begin this week.

In a new book of essays, literary luminaries share stories of surviving dark times and the foods tied to those memories. Think of it as a cathartic dinner party.

'Eat Joy': Top Authors Serve Up Recipes That Gave Them Comfort In Dark Times

In a new book of essays, writers such as Claire Messud and Edwidge Danticat share stories of surviving dark times and the foods entwined with those memories. Think of it as a cathartic dinner party.

A wall inside the CIA headquarters honors members of the CIA who died in the service of their country.

The War On Terrorism, Through The Eyes Of 3 Women At The CIA

After the 2001 al-Qaida attacks, the CIA ramped up counterterrorism operations. This included a surge in young, female recruits. Three have written new books about their secretive work.

Alex, at 4 years and 11 months old, throws a toy football.

A Boy's Mysterious Illness Leads His Family On A Diagnostic Odyssey

Alex Yiu was born a seemingly healthy baby. But by age 2, his muscle control and speech were deteriorating. His baffling condition took a decade to diagnose. The reanalysis of a DNA test was the key.

The War On Terror, Through The Eyes Of 3 Women At The CIA

After the 2001 al-Qaida attacks, the CIA ramped up counterterrorism operations. This included a surge in young, female recruits. Three have written new books about their secretive work.

How The 3 Nobel Winners For Economics Upended The Fight Against Poverty

How does their approach work in practice? And why is it considered so ground-breaking?

Visitors look at a model of a Saturn V rocket and its launch umbilical tower, which were used during the Apollo moon-landing program, at the Smithsonian National Air and Space Museum in Washington, D.C. Fifty years ago this July 20, Neil Armstrong and Buzz Aldrin became the first humans to walk on the moon.

Poll: Americans Want NASA To Focus More On Asteroid Impacts, Less On Getting To Mars

American attitudes toward space exploration and NASA's priorities have changed ahead of the 50th anniversary of the Apollo 11 moon landing.

Reduce Health Costs By Nurturing The Sickest? A Much-Touted Idea Disappoints

Matching the sickest patients with social workers and medical support doesn't reduce costly hospital readmissions, a study finds. Still, some believe greater social investment could make a difference.

Police Sr. Sgt. Paddy Hannan holds an AR-15 style rifle similar to a weapon a gunman used to kill 51 people at two mosques in Christchurch, New Zealand. Dozens of gun owners handed over their weapons in the first of more than 250 planned buyback events around New Zealand.

New Zealand Starts Gun Buyback Program In Response To Christchurch Mosque Shootings

In response to the March shootings that left 51 people dead, the nation's gun buyback program asks owners of now-banned weapons to turn them in to police departments for cash.

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