News tagged with sexual maturity
Change in developmental timing was crucial in the evolutionary shift from dinosaurs to birds: study
At first glance, it's hard to see how a common house sparrow and a Tyrannosaurus Rex might have anything in common. After all, one is a bird that weighs less than an ounce, and the other is a dinosaur that ...
Other Sciences / Archaeology & Fossils
May 27, 2012 |
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Early spring means more bat girls
There must be something in the warm breeze. A study on bats by a University of Calgary researcher suggests that bats produce twice as many female babies as male ones in years when spring comes early.
May 05, 2012 |
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New findings about Saprolegnia infections in Norwegian salmon hatcheries
Infections caused by oomycetes (or water moulds) of the Saprolegnia family reappeared as a loss factor in the fish farming industry after the dye malachite green was prohibited for use as a water treatment ...
Dec 13, 2011 |
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Control gene for developmental timing discovered
University of Alberta researchers have identified a key regulator that controls the speed of development in the fruit fly. When the researchers blocked the function of this regulator, animals sped up their rate of development ...
Sep 28, 2011 |
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Shark guardians see momentum to save top predator
Shark defenders hope to capitalize on a series of victories in their fight against the lucrative fin trade, releasing a report Monday calling for sanctuaries to save the world's oldest predator.
Jun 06, 2011 |
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Researchers discover age of onset of puberty predicts adult osteoporosis risk
A team of researchers led by Vicente Gilsanz, MD, PhD, director of Clinical Imaging at The Saban Research Institute of Children's Hospital Los Angeles, determined that the onset of puberty was the primary influence on adult ...
Medicine & Health / Medical research
Jan 28, 2011 |
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Researchers unlock 30 new genes responsible for early onset puberty
University of Minnesota School of Public Health researcher Ellen Demerath, Ph.D., is among an international group of researchers that has identified 30 new genes responsible for determining the age of sexual maturation in ...
Dec 01, 2010 |
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Genes link puberty timing and body fat in women
Scientists have discovered 30 new genes that control the age of sexual maturation in women. Notably, many of these genes also act on body weight regulation or biological pathways related to fat metabolism. The study, which ...
Nov 21, 2010 |
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Competing for a mate can shorten life span
"Love stinks!" the J. Geils Band told the world in 1980, and while you can certainly argue whether or not this tender and ineffable spirit of affection has a downside, working hard to find it does. It may ...
Oct 27, 2010 |
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Poor start in life need not spell doom in adulthood
Does the environment encountered early in life have permanent and predictable long-term effects in adulthood? Such effects have been reported in numerous organisms, including humans.
Oct 21, 2010 |
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Girls' early puberty linked to unstable environment via insecure attachment in infancy
Girls are hitting puberty earlier and earlier. One recent study found that more than 10 percent of American girls have some breast development by age 7. This news has upset many people, but it may make evolutionary sense ...
Medicine & Health / Psychology & Psychiatry
Aug 31, 2010 |
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Having brothers delays sexual maturation in women
(PhysOrg.com) -- Scientists in Perth, Western Australia, investigating the costs of brothers and sisters in contemporary Australian society, have discovered that girls with older brothers tend to start menstruation later, ...
Other Sciences / Social Sciences
Aug 19, 2010 |
3.8 / 5 (8) |
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Competing for a mate can shorten lifespan
"Love stinks!" the J. Geils band told the world in 1980, and while you can certainly argue whether or not this tender and ineffable spirit of affection has a downside, working hard to find it does. It may even shorten your ...
Aug 09, 2010 |
3.6 / 5 (5) |
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Scientists study why the blind salamander lives so long
(PhysOrg.com) -- Scientists have long been intrigued by the longevity of a tiny amphibian known as the blind salamander, but it now seems it may live a long time because it basically has no life.
Jul 22, 2010 |
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Sheep study finds young mothers have more lambs
(PhysOrg.com) -- New research suggests that being a young mother is not a bad thing for a sheep and may mean ewes have more lambs that are just as healthy than those that are older when first bred.
Jul 13, 2010 |
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