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 |
4.9 / 5 (14) |
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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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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 |
4.4 / 5 (14) |
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First molars provide insight into evolution of apes, humans
(PhysOrg.com) -- The timing of molar emergence and its relation to growth and reproduction in apes is being reported by two scientists at Arizona State University's Institute of Human Origins in the Dec. 28 ...
Dec 28, 2009 |
3 / 5 (3) |
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Bye bye 'Hogwarts dinosaur'? New analyses of dinosaur growth may wipe out one-third of species
(PhysOrg.com) -- Paleontologists from the University of California, Berkeley, and the Museum of the Rockies have wiped out two species of dome-headed dinosaur, one of them named three years ago - with great ...
Other Sciences / Archaeology & Fossils
Oct 30, 2009 |
4.6 / 5 (13) |
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BPA chemical leaches from plastic drinking bottles into people
(PhysOrg.com) -- A new study from Harvard School of Public Health (HSPH) researchers found that participants who drank for a week from polycarbonate bottles, the popular, hard-plastic drinking bottles and ...
May 21, 2009 |
4.5 / 5 (19) |
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At Long Last, How Plants Make Eggs
(PhysOrg.com) -- A long-standing mystery surrounding a fundamental process in plant biology has been solved by a team of scientists at the University of California, Davis.
Jun 04, 2009 |
4.9 / 5 (9) |
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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 |
4.5 / 5 (2) |
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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 |
5 / 5 (2) |
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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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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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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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Mice Show How a Human Height Gene Works
(PhysOrg.com) -- A gene linked to greater height and later puberty in large population studies shows a true biological effect, according to a new study from Children's Hospital Boston that finds mice with this variant are ...
Jun 03, 2010 |
4.3 / 5 (3) |
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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 |
4.8 / 5 (4) |
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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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