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Evolution news

Chemical profile of ants adapts rapidly

The bodies of ants and other insects are covered with a thin, wax-like layer that protects them from desiccation and enables them to exchange information, in social insects, for instance, to differentiate between enemies ...

dateAug 11, 2017 in Evolution
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Evolution of fan worm eyes

Scientists examining the multiple eyes found on the tentacles of fan worms have discovered they evolved independently from their other visual systems, specifically to support the needs of their lifestyle.

dateAug 01, 2017 in Evolution
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Good fighters are bad runners

For mice and men, a strength in one area of Darwinian fitness may mean a deficiency in another. A look at Olympic athletes shows that a wrestler is built much differently than a marathoner. It's long been supposed that strength ...

dateJul 21, 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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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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Big, shape-shifting animals from the dawn of time

Why did life on Earth change from small to large when it did? Researchers from the University of Cambridge and the Tokyo Institute of Technology have determined how some of the first large organisms, known as rangeomorphs, ...

dateJul 10, 2017 in Evolution
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When butterfly male sex-bias flaps its wings

In butterflies, sex is determined by chromosome differences between males and females. But unlike in humans with the familiar X and Y, in butterflies, it is the females that determine the sex of offspring.

Birds' migration genes are conditioned by geography

The genetic make-up of a willow warbler determines where it will migrate when winter comes. Studies of willow warblers in Sweden, Finland and the Baltic States show that "migration genes" differ - depending on where the birds ...

Through fossil leaves, a step towards Jurassic Park

For the first time, researchers have succeeded in establishing the relationships between 200-million-year-old plants based on chemical fingerprints. Using infrared spectroscopy and statistical analysis of organic molecules ...

How did bird babysitting co-ops evolve?

The common understanding of evolution is that it is a battle for survival: one must either "scrunch or be scrunched," as Nicodemus Boffin, the Dickens' character, famously says.

Wolf evolution and 'settled science'

Are the red and eastern wolves separate species, or hybrids with coyotes? And what has that got to do with climate change? Actually a lot, in illustrating what scientific inquiry is and what it isn't.

New gene catalog of ocean microbiome reveals surprises
Team images tiny quasicrystals as they form
Slippery liquid surfaces confuse mussels
Reed warblers have a sense for magnetic declination
Sharp X-ray pulses from the atomic nucleus
Researchers find a way to combat pharmacoterrorism
Going nano in the fight against cancer

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