Twin talk is also known as idioglossia. “Idioglossi-wha?” It’s not quite ESP but idioglossia is an autonomous language that is created and shared between twins. That’s right, twins can form their own lingo so that they can speak with each other before they learn a more formal language. In fact, according to one research study published in the journal of Institute of General Linguistics, about 40 per cent of twins make up their very own language.

Want to see this for yourself? In the video below, 3-month-old identical twins see each other and interact with each other for the very first time. The sounds that they make may sound like pure gibberish to us but it really does look like they’re beginning to learn how to communicate with each other. Plus, it’s totally adorable.

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