Artificial Intelligence Can Detect Dementia Years Before Symptoms Appear

Tissue abnormalities found in oysters years after Deepwater Horizon oil spill

Astronomers spot the same supernova three times — and predict a fourth sighting in 16 years

Astronomers spot the same supernova 3x—and predict a 4th sighting in 16 years. An enormous amount of gravity from a cluster of distant galaxies causes space to curve so much that this "gravitational lensing" effect has astronomers to observe the same exploding star in three different places.