Model citizens: How digital drug dealers and virtual users could help stop the opioid epidemic
Agent-based modelling offers opportunities to explore the complex social interactions at the heart of the addiction crisis.

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Navajo Nation reconsiders ban on genetic research

Tribal leaders are developing a policy for genetic research and data sharing, potentially ending a 15-year moratorium.

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Exclusive: Giant neuron found wrapped around entire mouse brain 

3D reconstructions show a 'crown of thorns' shape stemming from a region linked to consciousness.

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Colombia: After the violence

Peace efforts in the country have ended 50 years of intense conflict. Now, scientists are studying former fighters and victims as they attempt to heal.

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New life for pig-to-human transplants

Gene-editing technologies have breathed life into the languishing field of xenotransplantation.

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Drone school: Tough lessons for rookie remote pilots

Visiting a US air force base showed that being the remote pilot of a war plane is no cushy number – and don't mention videogames

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