"A new look inside monkeys brains is forcing researchers to reconsider what makes humans unique, as you can see in the video above.

It’s no surprise that humans and many types of monkeys have a lot in common; we’re both social creatures and share about 93% of our DNA. But when scientists from The Rockefeller University peeked inside four rhesus monkeys’ brains with an fMRI machine, they were still surprised to find something they’ve only ever encountered in humans: A unique choreography of brain activity, which activates when the monkeys are processing social interactions..."

Read the whole story and watch the video on Quartz's website at the link below.