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3:18
Tabby’s star flickers erratically and no one knows why—could it be an alien megastructure?
4:46
Rana el Kaliouby wants to humanize technology with artificial emotional intelligence.
2:16
The hunt for pollution in other planets’ atmospheres may determine whether we are alone.
3:10
Can a team of forensic archaeologist identify three WWII airmen that disappeared?
6:03
Vancouver, Canada’s supervised injection sites offer people a safer place to use.
3:57
Severe muscle cramps landed this teen in the hospital, where she was prescribed opioids.
3:36
After a mining accident, a West Virginia resident began struggling with addiction.
3:27
Custom-built lungs, livers, kidneys and hearts could someday save thousands of lives.
