Hairless mammals evolved quickly in both gene and non-gene areas related to skin and hair.
December 2022 in “Journal of neurodevelopmental disorders” Hair follicle sampling is a practical method for measuring biomarkers in children with and without Fragile X syndrome.
21 citations
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December 2011 in “Chungara” Mummy hair's chemical composition may not accurately show ancient people's health due to environmental contamination.
16 citations
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September 2017 in “PLoS ONE” The mummified girl likely died from undernourishment and illness.
1 citations
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January 2025 in “Reproductive Biology and Endocrinology” Cell-free fat extract may boost IVF success in older women with past failures.
July 1993 in “Journal of Radioanalytical and Nuclear Chemistry” Mouse hair element patterns vary, making it unreliable for tracking time.
July 2022 in “Research Square (Research Square)” Hair analysis can somewhat track past testosterone levels but is influenced by factors like hair washing, growth rate, sex, and hair color.
The FOS gene helps hair growth in Tan sheep.
December 2024 in “Genome Biology and Evolution” Snakes and worm lizards lost claw proteins due to similar evolutionary changes.
72 citations
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December 2018 in “Journal of Experimental Zoology Part B Molecular and Developmental Evolution” Corneous beta-proteins evolved uniquely in reptiles and birds, forming scales, claws, beaks, and feathers.
1 citations
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January 2002 in “Journal of Clinical Dermatology” The document's conclusion cannot be provided because the document is not accessible or understandable.
Hair can accurately predict iron levels in cattle muscle, helping diagnose mineral imbalances.
26 citations
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October 2018 in “International journal of osteoarchaeology” Medieval people in Mallorca used ferns as medicine.
April 2024 in “American Journal of Biological Anthropology” Hair traits vary widely and are not reliable indicators of ancestry.
September 2024 in “Journal of Investigative Dermatology” A new tool can analyze hair to detect changes due to hormones, genetics, and aging.
10 citations
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May 2018 in “Forensic Science International” Shrunken heads retain some facial features and hair characteristics, allowing for limited individual identification.
2 citations
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November 2018 in “Veterinary Dermatology” Poodles' hair changes aren't always linked to calcium, and special staining is needed to detect true calcium deposits.
5 citations
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September 2016 in “Security science and technology” DNA can predict physical traits like eye and hair color accurately, especially in Europeans, but predicting other traits and in diverse populations needs more research.
November 2023 in “Scientific reports” The research identified and described a gene important for hormone conversion in endangered catfish, which varies in activity during different reproductive stages and after hormone treatment.
April 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” Deleting the Hoxc13 gene in frogs shows its crucial role in developing skin structures similar to hair.
January 2017 in “NASA Technical Reports Server (NASA)” Early changes in skin gene expression can predict later bone mass loss after radiation exposure.
2 citations
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January 2010 199 citations
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July 2007 in “General and Comparative Endocrinology” Hair cortisol can reliably indicate chronic stress in cats and dogs.
7 citations
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January 2012 California Ground Squirrel hair can indicate environmental health by showing element accumulation.
47 citations
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July 2005 in “European Journal of Cell Biology” Terrestrial vertebrates have balanced keratin gene clusters, unlike teleost fish.
75 citations
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September 2007 in “Journal of Heredity” FGF5 gene mutations cause long hair in domestic cats.
158 citations
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January 2009 in “The International Journal of Developmental Biology” Reptile scales help us understand the evolution of skin features like hair and feathers.
Hairlessness in mammals is caused by combined changes in genes and regulatory regions.
31 citations
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August 2023 in “Cell Genomics” The Tyrolean Iceman had mostly Anatolian farmer ancestry and traits like darker skin and a risk for certain health issues.