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Cat claws stay sharp by shedding their outer layer through microcracks formed during activities.

Certain genes and pathways are crucial for high-quality brush hair in Yangtze River Delta White Goats.

Scientists made structures that look like human hair follicles using stem cells, which could help grow hair without using actual human tissue.

Mice without the enzyme HSD17B3 still produce normal testosterone, suggesting they have different ways to make it compared to humans.

Human hair loss may have evolved to help increase brain size.

Melatonin helps wheat plants resist drought by improving their root and root hair growth.

Marine-derived saccharides may help reduce aging effects on skin and hair by promoting cell growth and collagen production.

Vitamin B5 and coenzyme A may help regulate the immune system and could improve treatments for chronic diseases and cancer.

Human hair strength and health are linked to sulfur compounds that can be reduced by stress but improved with sulfur supplements.

Scientists are using clumps of special stem cells to improve organ repair.

3D-printed membranes with smart sensors can greatly improve tissue healing and have many medical applications.

A new wound healing treatment using a graphene-based material with white light speeds up healing and reduces infection and scarring.

More personalized and effective treatments for androgenetic alopecia are needed.

People with alopecia have shorter hair follicles and more c-kit, a stem cell factor receptor, which could predict how the condition progresses.

Low oxygen areas help maintain and protect blood stem cells by using a simple sugar breakdown process for energy and managing their activity levels.

Hair color is determined by melanin produced and transferred in hair follicles.

Biotin and biotinidase are essential to prevent health issues, and deficiencies require lifelong supplementation.

CRH in the skin acts like the body's stress response system, affecting cell behavior and immune activity.

Creating fully functional artificial skin for chronic wounds is still very challenging.

The CAP1 gene helps control ammonium levels and is necessary for the proper growth of root hairs in Arabidopsis.

Chitosan, a natural substance, can be used to create tiny particles that effectively deliver various types of drugs, but more work is needed to improve stability and control of drug release.

Microneedles are effective for drug delivery, vaccinations, fluid extraction, and treating hair loss, with advancements in manufacturing like 3D printing.

Scientists found a specific group of itch-sensing nerve cells in mice important for feeling itch but not for sensing heat or touch.

Surgical robots have improved but still can't perform tasks or make decisions on their own.

Polydopamine is a safe, effective, and permanent hair dye that turns gray hair black in one hour.

Microneedles are effective for painless drug delivery and promoting wound healing and tissue regeneration.

Mice with human fetal thymic tissue and stem cells developed symptoms similar to chronic graft-versus-host disease.

sPLA2-X is crucial for normal hair growth and follicle health.

Autofluorescence can sort plant cells without labeling.

The new wound dressing helps skin heal faster and fights infection.