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We put cars under rigorous tests to determine if and how they will break.

If you could pause time for an instant and make yourself small enough to discern individual molecules, the far right of this image is what you might see when one brain cell communicates with another across a synapse--the point of contact between two nerve cells. How the brain senses, thinks, learns and emotes depends on how all its nerve cells, or neurons, communicate with one another. And as a result, many laboratories are working feverishly to understand how synapses function--and how psychiatric drugs, which target them, improve patients’ lives

(PhysOrg.com) -- The sandfish lizard (Scincus scincus) lives in the desert sands of North Africa and burrows through the sand by wriggling. Now scientists in the US have created a computer model that emulates the physics of the lizard and other burrowing animals.