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Evolution news

Status shift for whale pelvic bones

For decades, scientists assumed that the relatively small pelvic bones found in whales were simple remnants of their land-dwelling past, "useless vestiges" that served no real purpose, akin to the human appendix ...

Oct 29, 2014
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Evolution of competitiveness

Virtually all organisms in the living world compete with members of their own species. However, individuals differ strongly in how much they invest into their competitive ability. Some individuals are highly competitive and ...

Oct 29, 2014
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Is the outcome of evolution predictable?

If one would rewind the tape of life, would evolution result in the same outcome? The Harvard evolutionary biologist Stephen Jay Gould came up with this famous thought experiment. He suggested that evolution would not repeat ...

Oct 28, 2014
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Physics determined ammonite shell shape

Ammonites are a group of extinct cephalopod mollusks with ribbed spiral shells. They are exceptionally diverse and well known to fossil lovers. Régis Chirat, researcher at the Laboratoire de Géologie de ...

Oct 13, 2014
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Fish colon offers insight into evolution

Skates have primitive colons. This may not sound like a big deal, but it is. The discovery could change scientific understanding of evolution, of how animals emerged from water to live on land.

Oct 06, 2014
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Escape from an evolutionary cul-de-sac

Passion flowers with long nectar tubes depend entirely on the sword-billed hummingbird for pollination. However, as a new study by LMU researchers shows, the evolution of even such extreme specialization ...

Oct 03, 2014
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Team reveals new findings about insect diversification

Biologists from the University of York have compiled two new datasets on insect evolution, revealing that metamorphosing insects diversify more quickly than other insects and are therefore the biggest contributors to the ...

Oct 02, 2014
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Evolution of snake courtship and combat behavior

A small study suggests snakes may have developed courtship and male-to-male combat behavior, such as moving undulations, neck biting, and spur-poking, over time, according to a study published September 24, 2014 in the open-access ...

Sep 24, 2014
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Sloths are no slouches when it comes to evolution

Today's sloths might be known as slow, small animals, but their ancestors developed large body sizes at an amazing rate, according to an evolutionary reconstruction published today in the open access journal ...

Method to reconstruct overt and covert speech

Scientists show IQs on the rise

Confirming a 3-D structural view of a quasar outflow

A single evolutionary road may lead to Rome

A well-known biologist once theorized that many roads led to Rome when it comes to two distantly related organisms evolving a similar trait. A new paper, published in Nature Communications, suggests that w ...

Whale sex: It's all in the hips

(Phys.org) —Both whales and dolphins have pelvic (hip) bones, evolutionary remnants from when their ancestors walked on land more than 40 million years ago. Common wisdom has long held that those bones ...

The roots of human altruism

Scientists have long been searching for the factor that determines why humans often behave so selflessly. It was known that humans share this tendency with species of small Latin American primates of the ...

A quantum leap in nanoparticle efficiency

Cassini sees sunny seas on Titan

Are flexible parents adaptable parents?

(Phys.org) —The flexibility of parental behaviours to respond to changes in behaviour of their offspring may actually constrain the ability of parents to adapt to changes in their wider environment.

UMSL scholar examines evolution of learning

Why do monkeys learn to be afraid of snakes and not flowers? Is this knowledge the result of evolution by natural selection? Did the monkeys that couldn't learn that association quickly die and not reproduce?

Sexual fantasies: Are you normal?

Sony's quarterly loss balloons on mobile woes

New study finds oceans arrived early to Earth

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