Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to curiouskidsus@theconversation.com. Why do people experience déjà vu? – Atharva P., ...

The experience of déjà vu is both fascinating and unsettling—a fleeting moment where you feel as if you’ve lived through a situation before, even though you know it’s happening for the first time. For ...