Cells & Circuits

There’s a lot that happens between neurons. Neuroscientist John Morrison explains what happens in the space that neurons learn.
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  • 2 min
Take a closer look at the layers that make a strong core.
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Neuroscientist John Morrison explains what really happens to our brain cells as we age.
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  • 1 min
Oligodendrocytes keep electrical signals in the brain and spinal cord strong.
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In the human retina, low-light-sensitive rods outnumber color-sensing cones by about twenty to one.
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The six layers of cells comprising the cerebral cortex are responsible for some of the most complex functions in the brain.
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Bundles of extra-long axons transmit signals from eyes to brain.
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Neuroscientist Nick Spitzer explains gene expression and how it helps your body’s cells function.
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  • 1 min
Neurons and muscles communicate at specialized nodes called neuromuscular junctions.
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Your brain’s 86 billion neurons wire up to form circuits. But just what is a circuit?
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  • 1 min
Sun-seeking brain cells keep the sleep cycle in balance.
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Studying the science behind laughter reveals that the best laughs usually have nothing to do with great jokes.
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3D Brain

An interactive brain map that you can rotate in a three-dimensional space.