In this episode of Life's Little Mysteries, we'll take a closer look at a mysterious organ that controls everything from your heartbeat to your senses to your enjoyment of this podcast: the brain.
How are brains put together, and how do they work? What are scientists learning by mapping the brain? And does having a big brain make you smarter? Listen to Life's Little Mysteries 22: Mysterious Brains, to find out!
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Originally published on Live Science.