Birds' eye view is far more colorful than our own

The brilliant colors of birds have inspired poets and nature lovers, but researchers at Yale University and the University of Cambridge say these existing hues represent only a fraction of what birds are capable of seeing.

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 ...

Skin color: Handy tool for teaching evolution

Variations in skin color provide one of the best examples of evolution by natural selection acting on the human body and should be used to teach evolution in schools, according to a Penn State anthropologist.

More than skin deep, tanning product of sun's rays

People who remain pale and never tan can blame their distant ancestors for choosing to live in the northern reaches of the globe and those who easily achieve a deep tan can thank their ancestors for living in the subtropical ...

Potential antifouling substance can cause paler fish

The sedative medetomidine has proved effective at inhibiting fouling and is now being trialled by the EU as an ingredient for the antifouling paints of the future. Research at the University of Gothenburg, Sweden, has shown ...

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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