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Neuroscience

Two distinct neural pathways may make opioids like fentanyl so addictive

A study in mice looked at how feelings of reward and withdrawal that opioids trigger play out in two separate circuits in the brain.

Physics

Here’s how ice may get so slippery 

Ice’s weirdly slick exterior might originate from the boundaries between two different types of ice that form on the surface of frozen water.

Health & Medicine

Human body lice could harbor the plague and spread it through biting 

Rats and fleas previously got all the blame, but humans’ own parasites could be involved.

Particle Physics

The neutrino’s quantum fuzziness is beginning to come into focus

An experiment studying the neutrino’s “wave packet” sets a limit on the uncertainty of the subatomic particle’s position.