News tagged with evolutionary success
Research shows rats have best bite of rodent world
Scientists at the University of Liverpool have found that mice and rats have evolved to gnaw with their front teeth and chew with their back teeth more successfully than rodents that 'specialise' in one or ...
Apr 27, 2012 |
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High genetic diversity in an ancient Hawaiian clone
The entire Hawaiian population of the peat moss Sphagnum palustre appears to be a clone that has been in existence for some 50,000 years researchers have discovered. The study is published in New Phytologist.
Dec 22, 2011 |
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Paying for sex and 'playing dead' - the deceitful gift-giving spider
Male nursery web spiders (Pisaura mirabilis) prepare silk-wrapped gifts to give to potential mates. Most gifts contain insects, but some gifts are inedible plant seeds or empty exoskeletons left after the pr ...
Nov 13, 2011 |
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Manipulated gatekeeper: How viruses find their way into the cell nucleus
Adenoviruses cause respiratory diseases and are more dangerous for humans than previously assumed. They manipulate gatekeeper molecules and infiltrate the cell nucleus with the aid of the host cell. A team of researchers ...
Oct 03, 2011 |
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Ancient wild horses help unlock past
An international team of researchers has used ancient DNA to produce compelling evidence that the lack of genetic diversity in modern stallions is the result of the domestication process.
Aug 23, 2011 |
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Getting inside the mind (and up the nose) of our ancient ancestors
(PhysOrg.com) -- Reorganisation of the brain and sense organs could be the key to the evolutionary success of vertebrates, one of the great puzzles in evolutionary biology, according to a paper by an international ...
Other Sciences / Archaeology & Fossils
Aug 17, 2011 |
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In fireflies, flightless females lose out on gifts from males
Every parent with young children knows that couples need to work together to accomplish the myriad tasks waiting both at work and at home. But it may come as a surprise that fireflies also juggle their commitments ...
Apr 05, 2011 |
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Playboy males live fast, die young
(PhysOrg.com) -- Promiscuous males are so intent on pursuing sexual partners that they can neglect even essential tasks such as eating, says a new study published in the Journal of Evolutionary Biology.
Sep 03, 2010 |
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Segmentation is the secret behind the extraordinary diversification of animals
Segmentation, the repetition of identical anatomical units, seems to be the secret behind the diversity and longevity of the largest and most common animal groups on Earth. Researchers from CNRS and Universite ...
Jul 16, 2010 |
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Sheep that shed light on personality differences
The team led by Denis Reale, a professor in the Department of Biological Sciences at UQAM and Canada Research Chair in Behavioural Ecology, recently completed a study showing the link between personality, survival and reproductive ...
Sep 15, 2009 |
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Infertility and the battle of the sexes
About 10% of all couples hoping for a baby have fertility problems. Environmentalists say pollution is to blame and psychiatrists point to our stressful lifestyles, but evolutionary biologist Dr. Oren Hasson of Tel Aviv University's ...
Sep 08, 2009 |
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Study finds human population expanded during late Stone Age
Genetic evidence is revealing that human populations began to expand in size in Africa during the Late Stone Age approximately 40,000 years ago. A research team led by Michael F. Hammer (Arizona Research Laboratory's Division ...
Jul 29, 2009 |
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Yeast missing sex genes undergo unexpected sexual reproduction
An emerging form of the pathogenic yeast Candida is able to complete a full sexual cycle in a test tube, even though it's missing the genes for reproduction. And it may also do so while infecting us, according to Duke Univer ...
May 24, 2009 |
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Personality influences reproductive success
A new study published in the Journal of Personality reveals that personality at adolescence predicts reproductive success later in life. The study findings showed that male and female teens with socially dominant personalities were m ...
Medicine & Health / Psychology & Psychiatry
Mar 25, 2009 |
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