How astronomy makes neuroscience even cooler: brains, gold, and neutron stars

Posted by K R on

Did you know you have gold in your brain? Inside every neuron, there are just a few atoms of gold that keep the neuron charged, which is what keeps you thinking, moving, and frankly existing. What could be cooler than that? Well, NASA's assistant director of science communication Michelle Thaller adds a layer of astronomy on top of that amazing neuroscience. It turns out that when we look far into outer space, essentially back through time, we can see that all the gold in the known universe was created and spewed out in cosmically violent neutron star collisions—that includes the atoms of gold that are now inside your brain. Crazy, right? That's what Carl Sagan meant when he wrote that "we are made of star-stuff."

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