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Goal-Oriented Brain Cells: Neurons may track action as a prelude to empathy
Nerve cells located toward the back of a monkey's brain appear to assist in discerning the goals of specific actions.
- Ecosystems
Where Tuna Go: Atlantic fish mix for feeding, not spawning
The largest high-tech tag study yet of Atlantic bluefin tuna suggests that two groups mix on feeding grounds but spawn on opposite sides of the ocean.
- Astronomy
Shell of a finding
A new X-ray portrait of a supernova remnant suggests that this shell of hot gas may be hard to discern if the interstellar medium around the exploded star has extremely low density.
