Fish go mad for ginger gene

There may be plenty of fish in the sea but the medaka knows what it likes. A new study published in the open access journal BMC Biology shows how a single gene mutation that turns Japanese Killifish a drab grey colour renders ...

Sex, lice and videotape

A few years ago, Scott Villa of Emory University had a problem. Then a graduate student at the University of Utah, he was stumped with an issue never addressed in school: How does one film lice having sex?

How sex pheromones diversify: Lessons from yeast

Many organisms including insects, amphibians and yeasts use sex pheromones for attracting individuals of the opposite sex, but what happens to sex pheromones as new species emerge? New research publishing January 22 in the ...

How honeybees do without males

An isolated population of honeybees, the Cape bees, living in South Africa has evolved a strategy to reproduce without males. A research team from Uppsala University has sequenced the entire genomes of a sample of Cape bees ...

Origin of species: Protein imbalances doom hybrids

Why do crosses between closely related species fail to produce fertile hybrids? A new study led by Professor Axel Imhof of Ludwig-Maximilians-Universitaet (LMU) in Munich, Germany, shows that differences in the levels - not ...

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