Evolution

Mutated frog gene repels predators

Post-doctoral researcher Andrés Posso-Terranova and his former supervisor José Andrés have found evidence that a single gene called MC1R controls the deep black color on the skin of these poisonous frogs. The researchers ...

dateNov 15, 2017 in Evolution
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Digger wasps and their chemistry

The skin of insects is usually covered by water-repellent hydrocarbons which protect them against desiccation and pathogens. This protective layer is species-specific in the majority of cases, creating a chemically unique ...

dateNov 03, 2017 in Evolution
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Chillier winters, smaller beaks

Although Charles Darwin lived and worked in the 19th century, modern evolutionary biologists are far from exhausting all avenues of inquiry regarding birds and evolution. For example, in the 1990s, researchers such as Russ ...

dateJul 13, 2017 in Evolution
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Early squirrel gets the real estate, study finds

Those young squirrels now scampering around your neighbourhood were born in this year's earliest litters and are more likely to survive than squirrels born later and still curled up in their nests, according to a new University ...

dateJul 12, 2017 in Evolution
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Promiscuity slows down evolution of new species

Promiscuity mixes up the gene pool and dilutes genetic differences between populations, slowing down the evolution of new species, says new research by an international team led by the University of Bath's Milner Centre for ...

dateApr 10, 2017 in Evolution
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