Opioids
Recent articles
In memoriam: Howard Fields, pain research pioneer
Over six decades, Fields mapped out the circuits of both pain and addiction.
In memoriam: Howard Fields, pain research pioneer
Over six decades, Fields mapped out the circuits of both pain and addiction.
Opioid receptors may guide formation of gut nervous system in zebrafish
Fish lacking functional copies of the receptors have fewer enteric neurons than usual, but the findings await further validation.
Opioid receptors may guide formation of gut nervous system in zebrafish
Fish lacking functional copies of the receptors have fewer enteric neurons than usual, but the findings await further validation.
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Public engagement can help cultivate support for animal research
The European Animal Research Association's Patient Discovery Project connects researchers with people who have the conditions they study. The learning goes both ways.
Public engagement can help cultivate support for animal research
The European Animal Research Association's Patient Discovery Project connects researchers with people who have the conditions they study. The learning goes both ways.
Brain registers spatial location outside hippocampus
A more complex picture of how an animal’s brain tracks its location is starting to emerge.
Brain registers spatial location outside hippocampus
A more complex picture of how an animal’s brain tracks its location is starting to emerge.
The three-banded panther worm is rewriting the story of brain evolution
The animal has a brain structure all its own, according to a 2026 preprint. The finding hints that brains could have evolved centralization before regionalization.
The three-banded panther worm is rewriting the story of brain evolution
The animal has a brain structure all its own, according to a 2026 preprint. The finding hints that brains could have evolved centralization before regionalization.