hair

When observed under a microscope, guard hairs from mice resemble optical sensors used in thermal cameras to detect heat, according to a new study.

Corticosterone interferes with signaling in the skin that normally activates hair follicle stem cells, possibly explaining the link between stress and hair loss.

In mice, the fight-or-flight response overactivates the cells, causing a drop in their numbers, which leads to loss of hair color.

Thin strands tend to be stronger than thick ones.

Biologists study how a zebra’s hair helps it keep cool.

Researchers develop a washing method that is better at removing drugs that have contaminated hair from the outside than existing protocols.

The cells on one side of each wool fiber are longer than the cells on the other, researchers find. 

Reptiles, birds, and mammals all produce tiny, bump-like structures during development.   

Researchers identify differences in the composition of microbial species living on the scalps of people with different levels of dandruff.

A study reveals the genes underpinning hair’s characteristics, from its color to its tendency to grow on the face.

Herding Hemingway's Cats, Hair: A Human History, Restless Creatures, and The Mind Club

Two new studies point to factors in hair follicle stem cells as players in age-related hair loss.

Microbial species found in pubic hair samples could help track down criminals.

Propolis, a natural product used by honeybees to repair their hives, stimulates hair growth in shaved mice.

Researchers pinpoint a gene enhancer that contributes to blond locks in humans.

In the long-fought battle against baldness, researchers are finally identifying molecular pathways that can be manipulated to generate new hair follicles.