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Evolution news

Hybridization boosts evolution

Animals that have either migrated to or been introduced in Central Europe, such as the Asian bush mosquito or the Asian ladybeetle, have adapted well to their new homes due to changing climatic conditions. If these newcomers ...

dateAug 09, 2018 in Evolution
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Better sleep linked with family tree strength

The question of why we sleep has been a longstanding subject of debate, with some theories suggesting that slumber provides respite for the brain, which allows it to filter out insignificant neural connections, build new ...

dateAug 06, 2018 in Evolution
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Wildflowers combat climate change with diversity

In 1859, when Charles Darwin first articulated the theory of evolution, he speculated that a process of natural selection led species to adapt to their environments over time. He believed traits that helped an organism survive ...

dateAug 03, 2018 in Evolution
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Evolution does repeat itself after all

For every two species of mammal there is one species of cichlid fish, which goes to show that biodiversity is distributed rather unevenly among animals. But why? And to what extent can evolution be predicted? A variety of ...

dateJul 10, 2018 in Evolution
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What nipple size means for evolutionary biology

Nipple size varies markedly from woman to woman, whereas male nipples are more uniform. This finding goes against a common assumption of evolutionary biology, say Ashleigh Kelly and her colleagues from the University of Queensland ...

Why life on Earth first got big

Some of the earliest complex organisms on Earth—possibly some of the earliest animals to exist—got big not to compete for food, but to spread their offspring as far as possible.

Why we make blood cells in our bones

In humans and other mammals, the stem cells that give rise to all blood cells are located in the bone. But in fish, blood stem cells are found in the kidney. Since the late 1970s, when biologists first realized that blood ...

Researchers gain insight into chromosome evolution in flies

NC State University researchers have shed new light on the evolution of fly chromosomes by identifying a gene indispensable for male survival in a devastating livestock pest species. What they found could have important implications ...

Mixed signals from poisonous moths

Poisonous moths use bright red spots to warn predators to avoid them—but natural variation in these wing markings doesn't provide clear indications of how toxic individual moths might be—new research shows.

Mathematicians solve age-old spaghetti mystery
Breaking down the Wiedemann-Franz law
Zapping a new approach to solar cells
Magnetic vortices observed in haematite

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