Fingernails serve to enhance sensation and precise movements of the fingertips through the counter-pressure exerted on the pulp of the fingers by the nails. bio.libretexts.org/Booksh…
, Your fingernails and hair do not, in fact, continue to grow after you die. To grow, these must have a steady supply of glucose, which is cut off after the heart stops beating, preventing any further growth. bbc.com/future/article/20…
A dentist named Fred Slack helped invent the traditional form of acrylic nails used today after he broke his fingernail at work and used foil and dental acrylic to replace it. nailsmag.com/encyclopedia…
The fangs of a funnel-web spider are very strongβ€”they can pierce through shoe leather and fingernails! nationalgeographic.org/me…
In 2003 two Iron Age bodies were discovered in a peat bog in Ireland. One stood 6 foot 6 inches tall and had manicured fingernails while the other had hair styled with hair gel. Both had been brutally murdered. nationalgeographic.com/sc…
In the song "9 to 5," Dolly Parton created the typewriter sound effect by tapping her acrylic fingernails against one another. en.wikipedia.org/wiki/9_t…
Fingernails on males grow quicker than on females. And that their growth rate is based on finger length. fingernails2go.com/10-fac…
While assisting displaced Vietnamese refuge seekers, actress Tippi Hedren's fingernails intrigued the women. She flew in her personal manicurist & recruited experts to teach them nail care. 80% of nail technicians in California are now Vietnameseβ€”many descendants of the women Hedren helped bbc.com/news/magazine-325…
Hair and fingernails appear longer after death because the skin surrounding them dehydrates and retracts. bbc.com/future/article/20…
Karolina Olsson, was a Swedish women who allegedly hibernated for 32 years. During her purported sleep her hair, fingernails, and toenails did not grow. She was force fed by her mother and after she woke up, at 46 years old, she was described as to look no older than 25. en.wikipedia.org/wiki/Kar…
Rhino horns are made of the same substance as hair and fingernails lionworldtravel.com/news/…
As a child, actor Michael Berryman would be teased because of his appearance (he was born with hypohidrotic ectodermal dysplasia, leaving him with no sweat glands, hair, fingernails or teeth). He would "go to the parents and say your children are brats and tell them they were bad parents". cultfaction.com/2016/11/0…
A rhino's horn is made of keratin which is the same protein used to make hair and fingernails sciencing.com/horn-rhino-…
Your fingernails/toenails are made of keratin, which is also what your hair is made of, and thats why your nails grow. onhealth.com/content/1/fi…
The actor Michael Berryman suffers from hypohidrotic ectodermal dysplasia, so he doesn't have hair, sweat glands or fingernails en.wikipedia.org/wiki/Mic…
Astronauts often lose fingernails due to their glives during spacewalks. Some remove their fingernails before they leave. popsci.com/science/articl…
Picking and peeling your skin to the point where it bleeds, especially near your fingernails, is an OCD related disorder called excoriation disorder mentalhealthamerica.net/c…
Oliver Heaviside was an eccentric scientist who, among other things, replaced his furniture with blocks of granite, signed his letters W.O.R.M. for no particular reason and painted his fingernails pink. en.wikipedia.org/wiki/Oli…
Why magician Penn Jillette paints one of his fingernails. It began when his mom advised him to clean/manicure his nails, since people would be staring at his hands during close up magic. This was initially done in a joking act of defiance, which evolved into the tribute it is today. blog.withings.com/2016/05…
Australian Funnel-Web spider fangs can penetrate fingernails and shoes en.wikipedia.org/wiki/Aus…
Pangea broke apart as fast as fingernails grow popsci.com/pangea-broke-a…
There's a recently discovered fingernail-size frog that can morph its skin texture from spiny to smooth in just minutes and is the first shape-shifting amphibian ever found amphibians.org/news/punk-…
A common injury astronauts experience in space is fingernail delamination (their nails fall off in the space suits) news.mit.edu/2010/astrona…
The most common and annoying injury astronauts suffer during spacewalks is traumatic fingernail loss, due to the material and internal pressure of their gloves. news.nationalgeographic.c…
Some Atomic Bomb survivors grew strange, long black fingernails after the disasters, which contained active blood vessels. When broke off, they would bleed profusely and then regrow. pcf.city.hiroshima.jp/out…
Penn Jillette paints one fingernail red in memory of his mother. She told him to get a manicure because people would be looking at his hands, so he painted his left fingernail red as a joke. He now always has it painted red in memory of her. blog.vegas.com/las-vegas-…
In the city of Iruma, Japan keeps track of their elderly citizen who have dementia by having placing a waterproof QR sticker on their fingernails or toenails citylab.com/solutions/201…
Astronauts often lose their fingernails after conducting spacewalks popsci.com/science/articl…
10 of your own fingernails contain 20 calories and 5g of protein. myfitnesspal.com/food/cal…
The moon is moving away from earth at about the same rate as fingernail growth. bbc.com/news/science-envi…
Your fingernails grow 0.000001157 millimeters a second, 0,0041652mm/hour and 0.1mm/day. health.howstuffworks.com/…
A man grew out his fingernails for 66 years after being reprimanded in class by a teacher for breaking a nail in class. He had the record for the longest nails ever recorded. npr.org/2018/07/13/628789…
A rattlesnakes rattler is made from skin shed during molting. They start with one "button" (which is made of the same material as our fingernails), and add each time it molts. smithsonianmag.com/videos…
Continents drift at about the same speed as fingernails grow. nytimes.com/2016/07/23/sc…
[] Rhinoceros' horns are made of keratin, the same type of protein that makes up hair and fingernails sciencing.com/horn-rhino-…
Some Hiroshima survivors grew "black fingernails," which were strange rod-shaped fingernails that contained active blood vessels and bled profusely when they broke off. pcf.city.hiroshima.jp/out…
Ferrying the undead army to Ragnorak would be the Naglfar, a ship made of the fingernails and toenails of the dead, so Nordic people didn't bury their dead with them spangenhelm.com/naglfar-s…
In Silence of the Lambs the 'Death Head' moths were faked by gluing false fingernails onto regular moths rollingstone.com/movies/m…
A baby red octopus snuck into a tank at Monterey Bay Aquarium while it was the size of a fingernail. It stayed alive by eating local residents, and wasn't discovered until it had grown to the size of a fist. grist.org/list/tiny-octop…
People who constantly bite the skin around their fingernails or on the inside of their cheeks suffer from dermatophagia, an impulse control disorder linked to anxiety and obsession en.m.wikipedia.org/wiki/D…
Some Atomic Bomb survivors grew strange, long black fingernails after the disasters, which contained active blood vessels. When broke off, they would bleed profusely and then regrow. pcf.city.hiroshima.jp/out…
The entires surface of our bodies are dead skin cells. This is because there's no blood vessels that connects the surface. New skin grows underneath (like our fingernails), and the dead skin cells are pushed up. Thus, we shed skin daily. youtu.be/hjhlGMOFSZQ?t=4m…
A horse's hoof is basically a big fingernail, and they run along on the tip of a single toe. scienceline.ucsb.edu/getk…
The San Andreas fault is moving 2 inches (5cm) a year, the same rate as fingernails grow. At this rate, LA and San Fransisco will be next to eachother in 15 million years. wowreally.blog/2006/11/lo…
The Radium Girls were factory workers who contracted radiation poisoning from painting watch dials with self-luminous paint. The women were told the paint was harmless, and ingested deadly amounts by licking their paintbrushes; some painted their fingernails and teeth with the glowing paint. en.wikipedia.org/wiki/Rad…
The crescent-shaped whitish area of the bed of a a fingernail or toenail is called the lunula, and if you damage it, the nail will be permanently deformed. en.wikipedia.org/wiki/Lun…
Natural jaw movement assists in cleaning earwax from the ear canal. Earwax moves out at approximately the same rate as that at which fingernails grow. en.wikipedia.org/wiki/Ear…
Beavers wear their teeth down as much as a millimeter per day, but grow continuously at a rate 10x faster than human fingernails. en.wikipedia.org/wiki/Bea…
In order to woo women drivers better and tailor a vehicle to their specific needs, Cadillac had their male executives drive around with paper clips on their fingertips, in order to simulate and cater to the "distinctly feminine experience of operating a vehicle with long fingernails." adage.com/article/news/ju…

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