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11th Feb 2014

Watch: The Science Behind Kissing – Why Do We Lock Lips?

It all makes sense now!

If you take a step back and think about kissing and what you’re actually doing for your mouth, it does seem like a strange characteristic of human behaviour.

In the lead up to Valentine’s Day, this video by “It’s Okay to be Smart” looks at the reasons we kiss and the science behind locking lips – it got our thinking caps on!