It’s because infants understand what other humans are drawn to, and they copy their behavior and learn from it. Even as adults, our actions continue to be driven — often unconsciously — by others.

By examining the eight-armed marine creature and the peculiar way it engages with the world, we can get a glimpse into different ways of existing and being, says cognitive neuroscientist Anil Seth.

Neuroscientist Robert Sapolsky shows us the surprising ways that our brains get mixed up between the physical and metaphorical — and how this can pit us against each other.

Neuroscientist Uri Hasson takes us inside his lab’s fascinating research — and our heads — to show the meeting of the minds that occurs every time we talk to each other.

Ed Boyden is the head of the Synthetic Neurobiology group at the MIT Media Lab. He talks brains and optogenetics (a technique being used to better understand blindness and Parkinson’s disease) with futurist and venture capitalist Juan Enriquez.

What happens when the technology for manipulation on the neural level becomes possible? Could there be a future therapy for people with depression or PTSD — or heartbreak? Do people really want to have their memories manipulated? Elizabeth Loftus, Steve Ramirez and Xu Liu grapple with some big questions.