The original Avatar used to be my go-to for showing off my first plasma TV to visitors, but as much as I love that original film (which gets a lot of undeserved hipster hate) I th ...

From a cubic millimeter of brain tissue, scientists have constructed a precise, 3D map of the activity in a mouse’s brain, detailing 84,000 neurons and more than 500 million synapses.

Researchers mapped 84,000 neurons in a mouse brain after it watched video clips. The 3D map links structure and activity.