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Fossils, stone tools and seashells in Turkey show that Neanderthals and the Homo sapiens who moved in later had the same hunting strategies and symbolic traditions even without overlapping at the site, suggesting they may have shared information.
When the heart's pumping function gets weaker, areas of the brain linked to memory show early signs of damage, a study finds.
Physicists isolated the "last sound" of an enormous black hole collision, providing an unprecedented glimpse of the region next to the event horizon.
A woman's abdominal discomfort turned out to be caused by a buildup of food in her stomach. And the treatment involved diet soda.
Using the James Webb Space Telescope, astronomers have created the most detailed map of the cosmic web ever.