News
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NeuroscienceHuman brains make new nerve cells — and lots of them — well into old age
In humans, new neurons are still born in old brains, new research suggests.
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EarthEfforts to contain Mississippi floods may have made them worse
Intensive management of the Mississippi River has increased the size of its largest floods, suggests a new study.
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AstronomyA dozen new black holes found in Milky Way’s center
Twelve small black holes spotted in the Milky Way’s center suggest thousands more in the galaxy’s inner region.
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ClimateSeafloor map shows why Greenland’s glaciers melt at different rates
A new high-res look at the seafloor shows how ledges and dips affects whether relatively warm ocean water reaches the ice.