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Science News for December 24, 2009


1 step closer to closure

Researchers identified a link between Sec24b and Vangl2 genes in mouse spinal cord development, which may lead to new research on all spinal defects. The discovery opens doors for investigating the root of spinal cord defects in humans.

SourceJohns Hopkins Medicine·JournalNature Cell Biology·DateDec 24, 2009

How does a locust walk a ladder? A lot like you

A new study shows that locusts rely on visual input from a single eye to control their legs while walking, achieving similar results to vertebrates like humans or cats. This discovery emphasizes how insects can use simpler mechanisms to achieve complex behaviors with fewer neurons.

SourceCell Press·JournalCurrent Biology·DateDec 24, 2009

Seeing without looking

A recent study by researchers at the Salk Institute found that the superior colliculus plays a key role in controlling attention, particularly in covert attention. This discovery may shed light on neurological disorders such as neglect syndrome and autism.

SourceSalk Institute·JournalNature Neuroscience·DateDec 24, 2009