News tagged with reproductive maturity
Researchers to reveal aging's origins on global stage
Jun 23, 2009 |
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Four of the biologists who described the underlying causes of aging will soon share their findings with an international audience during a symposium at the upcoming World Congress of Gerontology and Geriatrics, taking place ...
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Helping Albacore tuna come out of the can
Aug 11, 2009 |
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(PhysOrg.com) -- Scientists are set to study the earbones and organs of more than 2000 albacore tuna to better understand the growth, age and breeding patterns of this increasingly important species.
High mortality rates may explain small body size
Oct 05, 2009 |
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A new study suggests that high mortality rates in small-bodied people, commonly known as pygmies, may be part of the reason for their small stature. The study, by Jay Stock and Andrea Migliano, both of the University of Cambridge, ...
T. rex had teen pregnancies
Other Sciences / Archaeology & Fossils
Jan 14, 2008 |
3.9 / 5 (15) |
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Dinosaurs descended from reptiles and evolved into today's birds, but their growth and sexual maturation were more like that of mammals - complete with teen pregnancy, according to a new study by University ...
Researchers studying spiny dogfish, Gulf of Maine's mini shark
Biology /
Feb 24, 2009 |
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For such a small shark species, there seems to be super-sized confusion about its population status. But for researchers at the University of New Hampshire, one thing is clear - definite changes have occurred ...
In the absence of sexual prospects, parasitic male worms go spermless
Biology /
Nov 10, 2008 |
3.3 / 5 (3) |
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When females aren't around, one species of parasitic nematode worm doesn't even bother to make any sperm, reveals a new report in the November 11th issue of Current Biology, a Cell Press publication.
Sex may be better for mature audiences: study
Medicine & Health / Psychology & Psychiatry
Dec 17, 2009 |
3.5 / 5 (2) |
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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 ...
Ready when you are: First evidence that visual cues affect timing of sexual maturation
Biology /
Feb 14, 2007 |
4.2 / 5 (11) |
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Scientists from the Universities of Exeter and Glasgow today reveal how some females become sexually mature more quickly if they see attractive males. Research published today in the Royal Society journal Biology Le ...
Long-lived deep-sea fishes imperiled by technology, overfishing
Biology /
Feb 19, 2007 |
4.8 / 5 (4) |
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Many commercially prized fish from the depths of the world's oceans are severely threatened by over-fishing and the species' ability to recover is constrained by the fishes' long lifespans and low reproductive success, a ...
Fetal study highlights impact of stress on male fertility
Oct 21, 2009 |
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Exposure to a combination of excess stress hormones and chemicals while in the womb could affect a man's fertility in later life, a study suggests.
Mouse can do without man's most treasured genes
Biology /
May 06, 2008 |
4.6 / 5 (8) |
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The mouse is a stalwart stand-in for humans in medical research, thanks to genomes that are 85 percent identical. But identical genes may behave differently in mouse and man, a study by University of Michigan evolutionary ...
List of search results for reproductive maturity
