News tagged with sexual maturity
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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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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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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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) |
2
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) |
3
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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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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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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Measuring the effects of temperature increases in the Antarctic fauna
Researchers from the British Antarctic Survey subjected species found in Antarctic waters to increasing levels of water temperature to learn how well they would cope with a warmer ocean. The study, to be presented at the ...
Jun 30, 2009 |
5 / 5 (3) |
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Fathers are no role models
(PhysOrg.com) -- Female zebra finches do not only differ in the way they chose their mate but also in their preference for a partner.
Jan 12, 2010 |
3.8 / 5 (4) |
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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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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) |
2
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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 |
5 / 5 (2) |
6
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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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 |
4.5 / 5 (2) |
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