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image: Sleep Circuit

Sleep Circuit

By Karen Zusi | March 1, 2016

A web of cell types in one of the brain’s chief wake centers keeps animals up—but also puts them to sleep.


image: Sugar Time

Sugar Time

By Catherine Offord | March 1, 2016

Metabolic activity, not light, drives the circadian clock in cyanobacteria.


image: Things That Go Bump

Things That Go Bump

By Bob Grant | March 1, 2016

Scientists still don’t know why animals sleep or how to define the ubiquitous behavior.


image: What Lies Sleeping

What Lies Sleeping

By Philippe Mourrain | March 1, 2016

Why can science still not define this most basic biological process?


image: Characterizing Sleep

Characterizing Sleep

By James M. Krueger and Sandip Roy | March 1, 2016

Sleep-like patterns of neural activity are apparent not just at the level of the whole brain, but also in isolated neural circuits.


image: Go To Bed!

Go To Bed!

By Kerry Grens | March 1, 2016

The immediate consequences of losing out on sleep may be harbingers of long-term repercussions.


image: Sleep’s Kernel

Sleep’s Kernel

By James M. Krueger and Sandip Roy | March 1, 2016

Surprisingly small sections of brain, and even neuronal and glial networks in a dish, display many electrical indicators of sleep.

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image: Week in Review: February 22–26

Week in Review: February 22–26

By Jef Akst | February 26, 2016

Questions about how E. coli evolves; spermatids in a dish; fighting bacteria with virus-like molecule; what drives metastasis; antibodies fight Ebola in monkeys


image: Mutations Not Tied to Metastasis

Mutations Not Tied to Metastasis

By Kerry Grens | February 25, 2016

Clinical cases link immune changes to a cancer’s spread through the body, but find no role for so-called “driver” mutations.


image: Adjustable Brain Cells

Adjustable Brain Cells

By Ruth Williams | February 18, 2016

Neighboring neurons can manipulate astrocytes. 

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