Helicoprion is a genus of extinct shark whose fossil specimens reveal spirally arranged clusters of the individuals' teeth called "tooth whorls" that resemble our modern circular saw blades.The shark's blade, connected to cylindrical muscle tissue, would shred prey into small, bite-sized pieces. en.wikipedia.org/wiki/Hel…
The helicoprion (and other prehistoric sharks) had teeth-whorls, a spiral of teeth like a circular saw. They bed on soft prey like squid, their jaw creating a rolling-back and slicing mechanism. mainstreetsmiles.com/fun-…
Normally, because the growth of the brain occurs in a predictable fashion, there is one primary hair whorl over the vertex of the head. When hair whorls are multiple or in unusual locations, abnormal brain growth may be a causative factor. newborns.stanford.edu/Pho…
Normally, because the growth of the brain occurs in a predictable fashion, there is one primary hair whorl over the vertex of the head. When hair whorls are multiple or in unusual locations, abnormal brain growth may be a causative factor. newborns.stanford.edu/Pho…
Fingerprints come in 3 types (loops, whorls & arches) and can be sorted by the Henry Classification System. en.wikipedia.org/wiki/Hen…
Not only do fingerprints form in the 10th week of development, the pattern of the mothers womb determines whether or not a persons fingerprints will be loops or whorls. livestrong.com/article/28…
Today I learned of the Helicoprion, an extinct genus of sharks that was known for having an iconic "tooth whorl" jaw, otherwise known as the jaw I would most prefer not to encounter. prehistoric-wildlife.com/…
Helicoprion is an extinct prehistoric shark-like fish that had an unique "tooth-whorl" in its lower jaw that looked and acted like a circular saw. The Helicoprion became extinct in the early Triassic period. en.wikipedia.org/wiki/Hel…
94 percent of newborns in the United States have a clockwise hair whorl (crown, cowlick). udel.edu/~mcdonald/mythha…
Our fingerprints are developed while we're still in the womb and are unique based on our movement, location in the womb and composition of our mother's amniotic fluid everydaylife.globalpost.c…
There was once a shark with a circular saw for a mouth. worldsstrangest.com/neato…
The most common fingerprint pattern in the US is the Ulnar Loop handresearch.com/news/fin…

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