News
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Brains disconnect as people sleep
Rather than turning off completely during sleep, the brain shuts down communication among structures that make up neural networks.
- Physics
Transistor laser flaunts twin talents
A transistor that doubles as a laser can now operate at room temperature, bringing it to the verge of practical applications.
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Concentrated Guidance: Attention training gives kids a cognitive push
A brief course on how to pay attention boosts children's scores on either intelligence or attention tests, depending on their age.
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Milky seas clarified
With the help of satellites, scientists have obtained the first-ever photos of an expanse of seawater filled with bioluminescent bacteria.
