News tagged with sexual
Right/left handedness of snails changed in the lab
Nov 30, 2009 |
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(PhysOrg.com) -- Like most animals, snails have either left- or right-handed asymmetry (chirality), both internally and externally, and the handedness is hereditary. A new study has for the first time found ...
New research explains orchids' sexual trickery
Dec 17, 2009 |
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A new study reveals the reason why orchids use sexual trickery to lure insect pollinators. The study, published in the January issue of The American Naturalist, finds that sexual deception in orchids leads to a more effici ...
Biologist Shows Female Birds of a Feather Compete Together
Dec 15, 2009 |
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(PhysOrg.com) -- With its flamboyantly decorated plumage, the peacock is a classic example of how males among many bird species are more visually eye-catching than their female partners. But new research, ...
Australian government to introduce Internet filter
Dec 15, 2009 |
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(AP) -- Australia plans to introduce an Internet filtering system to block obscene and crime-linked Web sites despite concerns it will curtail freedoms and won't completely work.
Female birds -- acting just like the guys -- become sexual show-offs in cooperative breeding species
Dec 09, 2009 |
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(PhysOrg.com) -- Female birds in species that breed in groups can find themselves under pressure to sexually show off and evolve the same kinds of embellishments - like fanciful tail feathers or chest-puffing ...
Researchers Identify the Most Promiscuous Birds in the World
Dec 09, 2009 |
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(PhysOrg.com) -- UConn ornithologist Chris Elphick and his colleagues carried out DNA tests to discover the paternity of Saltmarsh Sparrow nestlings.
Testosterone does not induce aggression
Medicine & Health / Neuroscience
Dec 08, 2009 |
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New scientific evidence refutes the preconception that testosterone causes aggressive, egocentric, and risky behavior. A study at the Universities of Zurich and Royal Holloway London with more than 120 experimental subjects ...
Emotions an overlooked key to whistle-blowing, study says
Dec 07, 2009 |
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A gut-level connection with workers may be the key to encouraging whistle-blowing that could chip away at an estimated $652 billion lost to fraud annually by U.S. businesses, an ongoing University of Illinois study suggests.
Researchers discover how a brain hormone controls insect metamorphosis
Dec 03, 2009 |
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A team of University of Minnesota researchers have discovered how PTTH, a hormone produced by the brain, controls the metamorphosis of juvenile insects into adults.
Ecological speciation by sexual selection on good genes: Is speciation adaptive?
Nov 26, 2009 |
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Darwin suggested that the action of natural selection can produce new species, but 150 years after the publication of his famous book, 'On the Origin of Species', debate still continues on the mechanisms of speciation. New ...
Want privacy on Facebook? Here is how to get some
Dec 17, 2009 |
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(AP) -- Over the past week, Facebook has been nudging its users - first gently, then firmly - to review and update their privacy settings.
Australia defends controversial web filter
Dec 16, 2009 |
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Australia on Wednesday dismissed as "baseless" claims it was proposing a China-style plan for mandatory filtering of the internet and denied the system could be abused to silence free speech.
Study: Half of urban teen girls acquire STIs within 2 years of first sexual activity
Dec 14, 2009 |
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Half of urban teenage girls may acquire at least one of three common sexually transmitted infections (STI) within two years of becoming sexually active, according to an Indiana University School of Medicine and Regenstrief ...
Researchers study psychological impact of casual sex
Medicine & Health / Psychology & Psychiatry
Dec 08, 2009 |
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University of Minnesota Project Eating Among Teens (EAT) researchers have found that young adults engaging in casual sexual encounters do not appear to be at increased risk for harmful psychological outcomes as compared to ...
Sex may be better for mature audiences: study
Medicine & Health / Psychology & Psychiatry
Dec 17, 2009 |
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(PhysOrg.com) -- New university students might be thinking about exploring another rite of passage when they get to campus: the joy of sex. However, depending on their level of maturity, some students may find less joy than ...
