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Brazilian neuroscientist Claudia Vargas explains the plastic nature of the brain.

The World Cup has drawn more than rabid soccer fans to Brazil. A team of filmmakers are on the ground in Rio de Janeiro documenting the science behind the games, including an exoskeletal kick-off, the genetics of competition, and even the biochemistry of diehard spectators.

Here’s Imagine Science Films’ take on Header, the latest mini-documentary in their “Field Work: World Cup” series:

Watch the film below.

Not working? Watch _Header_ on YouTube_._

This article was created in partnership with Imagine Science Films. Watch all of the Field Work videos here.