Song-learning neurons identified in songbirds

A group of brain cells, the corticobasal ganglia projecting neurons, are important for vocal learning in young birds, but not in adult birds, according to a study published in the journal Proceedings of the National Academy ...

Inferring urban travel patterns from cellphone data

In making decisions about infrastructure development and resource allocation, city planners rely on models of how people move through their cities, on foot, in cars, and on public transportation. Those models are largely ...

New microfluidic chip replicates muscle-nerve connection

MIT engineers have developed a microfluidic device that replicates the neuromuscular junction—the vital connection where nerve meets muscle. The device, about the size of a U.S. quarter, contains a single muscle strip and ...

'Rat vision' may give humans best sight of all

Humans have the best of all possible visual worlds because our full stereo vision combines with primitive visual pathways to quickly spot danger, a study led by the University of Sydney has discovered.

Team makes light-driven nanosubmarines

Though they're not quite ready for boarding a lá "Fantastic Voyage," nanoscale submarines created at Rice University are proving themselves seaworthy.

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