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Mutation speeds up sperm of zebra finches

In zebra finches, sperm velocity and morphology and hence reproductive success strongly depend on a specific mutation (an inversion) on one of the sex chromosomes, called Z. This was discovered by scientists of the Max Planck ...

dateJul 17, 2017 in Plants & Animals
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Female fish prefer averagely active lovers

In evolution, a high sex drive does not always pay off. Female mosquitofish swim away from over-impetuous lovers because they leave them hardly any time to feed and also tend to injure their genitalia more often.

dateJul 12, 2017 in Evolution
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Climate change threatens domestic bee species

There are around 550 different bee species in Germany. Most of them are solitary bees. They don't live in large beehives like the honeybee, but each female bee often builds multiple nests and feeds her offspring alone. Solitary ...

dateJul 06, 2017 in Ecology
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