Here's One Inheritance You Don't Want
(PhysOrg.com) -- If your mother smoked during her pregnancy, you are more likely to be addicted to nicotine as a young adult.
View ArticlePups from 1st cloned dog to be distributed to public
Puppies born from the world's first cloned dog will be offered to good homes later this year, South Korean researchers said on Thursday.
View ArticleNew research discovers worker bees in 'reproductive class war' with queen
Bee colonies are well known for high levels of cooperation, but new research published in Molecular Ecology demonstrates a conflict for reproduction between worker bees and their Queens, leading some...
View ArticleAsthmatic children: Did mom use her pump during pregnancy?
Expectant mothers who eschew asthma treatment during pregnancy heighten the risk transmitting the condition to their offspring, according to one of the largest studies of its kind published in the...
View ArticleChimpanzees help each other on request but not voluntarily
The evolution of altruism has long puzzled researchers and has mainly been explained previously from ultimate perspectives—I will help you now because I expect there to be some long-term benefit to me....
View ArticleFemale choice benefits mothers more than offspring
The great diversity of male sexual traits, ranging from peacock's elaborate train to formidable genitalia of male seed beetles, is the result of female choice. But why do females choose among males? In...
View ArticleBacteria expect the unexpected: Scientists observe the emergence of a new...
Organisms ensure the survival of their species by genetically adapting to the environment. If environmental conditions change too rapidly, the extinction of a species may be the consequence. A strategy...
View ArticleAre female mountain goats sexually conflicted over size of mate?
Mountain goats are no exception to the general rule among mammals that larger males sire more and healthier offspring. But University of Alberta researcher David Coltman has found a genetic quirk that...
View ArticleMany pregnant women avoid HIV screening in Africa
'Prevention is the best cure' is a common expression, but what happens if preventative measures are not used? A large proportion of pregnant Ugandan women are going out of their way not to be HIV...
View ArticleOpposites attract: Monkeys choose mating partners with different genes
The world's largest species of monkey 'chooses' mates with genes that are different from their own to guarantee healthy and strong offspring, according to a new research study.
View ArticleVariable Temperatures Leave Insects wtih a Frosty Reception
(PhysOrg.com) -- For the first time, scientists at The University of Western Ontario have shown that insects exposed to repeated periods of cold will trade reproduction for immediate survival.
View ArticleWhiteflies sabotage alarm system of plant in distress
(PhysOrg.com) -- When spider mites attack a bean plant, the plant responds by producing odours which attract predatory mites. These predatory mites then exterminate the spider mite population, thus...
View ArticleSuperior offspring without genetic modification
We don't always turn out like our parents. Sometimes we become even better. How this happens is the subject of a new research project at the University of Gothenburg.
View ArticleScientists show that female fruit flies can be 'too attractive' to males
Females can be too attractive to the opposite sex -- too attractive for their own good -- say biologists at UC Santa Barbara. They found that, among fruit flies, too much male attention directed toward...
View ArticleAdverse consequences of obesity may be greater than previously thought
The link between obesity and cardiovascular mortality may be substantially underestimated, while some of the adverse consequences of being underweight may be overstated, concludes a study published in...
View ArticleCamera traps yield first-time film of tigress and cubs (w/ Video)
(PhysOrg.com) -- Camera traps deep in the Sumatran jungle have captured first-time images of a rare female tiger and her cubs, giving researchers unique insight into the elusive tiger's behaviour.
View ArticlePunishment important in plant-pollinator relationship
Figs and the wasps that pollinate them present one of biologists' favorite examples of a beneficial relationship between two different species. In exchange for the pollination service provided by the...
View ArticleTeenage Fathers Often Born to Teenage Fathers, Study Finds
(PhysOrg.com) -- Sons of adolescent fathers are nearly twice as likely to perpetuate the cycle of young parenthood and become teenage dads themselves, a new study by the Yale School of Public Health...
View ArticleStudy of shark virgin birth shows offspring can survive long term
Shark pups born to virgin mothers can survive over the long-term, according to new research published Jan. 25, 2010 in the Journal of Heredity. The study shows for the first time that some virgin...
View ArticleThe biggest loser: Maternal obesity puts a load on her offspring that lasts a...
As if there are not enough reasons for obese people to lose weight, a new research report published online in The FASEB Journal, adds several more. In a study involving rats, researchers from Duke...
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