"You see a lot of difficulty with senior citizens going through these [airport] biometric checkpoints their fingerprints just don't scan, and it's not their fault," Tattoli explained. It turns out that fingerprints are an excellent example of convergent evolution, or different species developing similar traits independently from each other. Not to mention the fact that koalas are rarely found at crime scenes! The thylacosmilus was a marsupial with not only saber canines that jutted from its upper jaw, but what looked like long downward-sweeping wings from its lower jaw. The uniqueness of the prints helps differentiate them. Placental mammals and marsupials found their way with similar genes to similar environments, and converged so spectacularly that they've been featured on intelligent design blogs ever since. Fact on Twitter: "Koala fingerprints are almost indistinguishable from In general, the purpose of collecting fingerprints is to identify an individual. They call the rest of the shapesplaces where the lines break, divide in two, or create concentric islandsminutiae. While the general gist of your fingerprint is something you inherit from your parents, these minutiae come from the environment you developed in as a fetus, including the makeup of amniotic fluid, how you were positioned, and what you touched in the womb. Tattoli said there is research into using fingerprints to identify diseases a person may be susceptible to. Great article. But what would make fingerprints useful from an evolutionary standpoint? ? Follow Natalie Wolchover on Twitter @nattyover. We try our very best, but cannot guarantee perfection. Marsupial moles Down Under, for example, are unrelated to moles in other parts of the world. From lino cutting to surfing to childrens mental health, their hobbies and interests range far and wide. Do other animals have fingerprints? And what purpose do they serve Scientists believe that Koalas must have adapted to having fingertips more recently as kangaroo's and other marsupials do not have them.
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