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In 14th century Persia, various official government papers had fingerprints (impressions), and one government official, a doctor named Khajeh Rashiduddin Fazlollah Hamadani, observed that no two fingerprints were exactly alike.

In 1686 a professor named Marcello Malpighi noticed the swirls, spirals, loops and ridges.

In 1823, another professor named John Evangelist Purkinji,  published his thesis about 9 different fingerprints but never noticed that they were unique.

1892 - Galton’s book “Fingerprints” is published stating that everyone's fingerprints are different and later that year Juan Vucetich completed the first investigation as a police officer using fingerprinting technology.

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http://phys.org/news/2009-04-fingerprints.html
http://edition.cnn.com/2007/TECH/science/07/05/fingerprint.diagnosis/
https://www.fbi.gov/services/cjis/fingerprints-and-other-biometrics
http://www.onin.com/fp/fphistory.html
http://jdutchstevens.tripod.com/id4.html
http://science.howstuffworks.com/fingerprinting.htm
https://nz.pinterest.com/search/pins/?q=fingerprints&rs=typed&term_meta[]=fingerprints%7Ctyped

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My Hypothesis is:
That fingerprints could change depending on your personality.
What I want to find out is: Why does every single finger have a different fingerprint even when they're on the same hand? - Ana

My Hypothesis is: Maybe a  twin (Identical or not) both of them would get the same fingerprint on all of there fingers.
What I want to find out: What are fingerprints for
- Layla

My hypothesis is: That Fingerprints could be so different that if you were to burn or cut you finger, you would end up getting another type of fingerprint on the tip of your finger.
What I want to find out: Do we just use fingerprints to identify someone?
- 'Eleta

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Fingerprints are made when you yourself are made. The main pattern of your fingerprints is actually a product of your genes. The actual ridges that form the fingerprints are made up of tissue called mesenchyme.

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The answer is that the oil and sweat in your hands. There are tiny little sweat glands that let go of all the oil and sweat to create your fingerprints that are left every where.
Fingerprints are made of an arrangement of ridges, called friction ridges. Each ridge contains pores, which are attached to sweat glands under the skin. You leave fingerprints on glasses, tables and just about anything else you touch because of this sweat.

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Obviously it would of had to evolve to exist. But what about after it was made? Have they changed at all to suit our needs?
According to a new study, our fingerprints do slightly change as time progresses if you continuously bite, cut, burned, bitten, or shorn off using sandpaper which could have implications for everything from law enforcement to unlocking your iPhone.

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What are fingerprints for? Why do we have fingerprints?

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What are fingerprints for? Why do we have fingerprints?

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Fingerprinting can also be used to detect and cure diseases. Using a DNA fingerprinting one can detect diseases like hemophilia disease and many others.  If the disease is detected at an early age it can be treated and there is a greater chance that it can be defeated. The fingerprints can be used by researchers to look for patterns that specific diseases have and try to figure out ways that they can cure them.

Also.........................
Unlike most wrinkles on our bodies, fingerprints aren't the result of repeated motion. Each of us is born with a unique set of them, although scientists aren't exactly sure what purpose fingerprints serve.

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fingerprint

ˈfɪŋɡəprɪnt/

noun

plural noun: fingerprints

1. An impression or mark made on a surface by a person's fingertip, able to be used for identifying individuals from the unique pattern of whorls and lines on the fingertips.

2. Simple Definition of fingerprint. is the mark that is made by pressing the tip of a finger on a surface, a mark of this kind made in ink for the purpose of identifying a personsomething (such as genetic material) that can be used to identify a person.

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Our main question and 3 subsidiary questions 

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Our main question and 3 subsidiary questions 

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How do fingerprints affect the world?

(1)Why can't we see fingerprints? And How do you make fingerprint visible?
(2)Why are fingerprints left around?
(3)Who notice fingerprints first?
(Also -How are fingerprints made, and have fingerprints evolved at all?)

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We chose fingerprints because we thought it would be very interesting for both us and the audience . We knew other people in school and even outside of school have questions about fingerprints so we did it.

Our aim is by the end of this presentation is to show/tell everyone what is a fingerprint especially why we have one and if it ever evolves,