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. How do we get the fingerprints we have? – Oscar ...

Cristina Abbatangelo does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations ...

Fingerprints are the unique pattern of curves and ridges indented into the skin of a person’s fingertips. Most people have completely unique fingerprints, which can help with identification. Even in ...

You can save this article by registering for free here. Or sign-in if you have an account. THE CONVERSATION This article was originally published on The Conversation, an independent and nonprofit ...