You’re right, brains are quite mushy. It turns out the 3-pound organ between your ears is mostly made up of water and fat. I found out all about brains from my friend Jim Peters, a neuroscientist at ...
Everything we do and think is thanks to the 3-pound organ tucked into our skulls. But what is it made of? I asked my friend Samantha Gizerian. She’s a brain scientist at Washington State University.