Why are there redheads? Birds might hold the clues

Red coloration—historically seen as costly in vertebrates—historically seen as costly in vertebrates—might represent some physiological benefit after all, according to research published in the journal Physiological ...

Painting by numbers

Individuals of a particular species generally differ from one another. We are clearly most adept at recognizing members of our own species, although dog and cat owners will be ready to confirm that their pets look unique. ...

Study of stem cell diseases advanced by new technique

A rare genetic disease called dyskeratosis congenita, caused by the rapid shortening of telomeres (protective caps on the ends of chromosomes), can be mimicked through the study of undifferentiated induced pluripotent stem ...

B-Raf and C-Raf proteins turn mouse white

Mice with black fur that turns white? Specialist cancer researchers from Inserm, CNRS, the Institut Curie and the Université Paris-Sud have taken steps to better understand the development of skin cells responsible for pigmentation ...

From bands to spots, the secrets of the leopard gecko's skin

While the patterns and colors of lizards' skin are fascinating, the mechanisms behind them are largely unknown. A team from the University of Geneva (UNIGE) studied the leopard gecko, a popular lizard, to understand how the ...

Ancestry attracts, but love is blind

People preferentially marry those with similar ancestry, but their decisions are not necessarily based on hair, eye or skin colour. Research, published in BioMed Central's open access journal Genome Biology, shows that Mexicans ...

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