News tagged with reproductive
New human reproductive hormone could lead to novel contraceptives
Dec 22, 2009 |
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(PhysOrg.com) -- Nearly 10 years after the discovery that birds make a hormone that suppresses reproduction, University of California, Berkeley, neuroscientists have established that humans make it too, opening ...
How the daisy got its spots... and why
Dec 18, 2009 |
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Dark spots on flower petals are common across many angiosperm plant families and occur on flowers such as some lilies, orchids, and daisies. Much research has been done on the physiological and behavioral ...
Female birds -- acting just like the guys -- become sexual show-offs in cooperative breeding species
Dec 09, 2009 |
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(PhysOrg.com) -- Female birds in species that breed in groups can find themselves under pressure to sexually show off and evolve the same kinds of embellishments - like fanciful tail feathers or chest-puffing ...
By feeding the birds, you could change their evolutionary fate
Dec 03, 2009 |
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Feeding birds in winter is a most innocent human activity, but it can nonetheless have profound effects on the evolutionary future of a species, and those changes can be seen in the very near term. That's ...
Hope for men with nonobstructive infertility
Dec 03, 2009 |
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It has been thought that men with non-obstructive azoospermia (NOA), a lack of sperm in the semen not caused by an obstruction within the reproductive system, are poor candidates for IVF. Now, researchers writing in the open ...
Improving female reproductive health and empowerment through control of NTDs
Dec 01, 2009 |
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Controlling neglected tropical diseases (NTDs) in developing countries would help improve the reproductive health and rights of girls and women in the poorest countries of Africa, Asia, Latin America, and the Caribbean, according ...
'The pill' for him: Scientists find a hormonal on-and-off switch for male fertility
Nov 30, 2009 |
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A new research report published in the December 2009 print issue of The FASEB Journal could one day give men similar type of control over their fertility that women have had since the 1960s. That's because scientists have f ...
Ecological speciation by sexual selection on good genes: Is speciation adaptive?
Nov 26, 2009 |
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Darwin suggested that the action of natural selection can produce new species, but 150 years after the publication of his famous book, 'On the Origin of Species', debate still continues on the mechanisms of speciation. New ...
Protein from pregnancy hormone may prevent breast cancer
Nov 24, 2009 |
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Researchers have found that hormones produced during pregnancy induce a protein that directly inhibits the growth of breast cancer. This protein, alpha-fetoprotein (AFP), may serve as a viable, well-tolerated agent for the ...
Skin color gives clues to health
Nov 16, 2009 |
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Researchers from the universities of Bristol and St. Andrews in the UK have found that the color of a person's skin affects how healthy and therefore attractive they appear, and have found that diet may be crucial to achieving ...
Faithful mothers have healthier babies
Nov 12, 2009 |
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Faculty of 1000 reviewers examine a study from New Zealand on whether prolonged exposure to the father's semen protects new mothers against pre-eclampsia and having an undersized baby.
Workplace BPA exposure increases risk of male sexual dysfunction
Nov 11, 2009 |
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High levels of workplace exposure to Bisphenol-A may increase the risk of reduced sexual function in men, according to a Kaiser Permanente study appearing in the journal Human Reproduction.
FDA approved leukemia drugs shows promise in ovarian cancer cells
Nov 10, 2009 |
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The drug Sprycel, approved for use by the U.S. Food and Drug Administration in patients with chronic myeloid leukemia, significantly inhibited the growth and invasiveness of ovarian cancer cells and also promoted their death, ...
Scientists turn stem cells into precursors for sperm, eggs
Oct 28, 2009 |
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Human embryonic stem cells derived from excess IVF embryos may help scientists unlock the mysteries of infertility for other couples struggling to conceive, according to new research from the Stanford University School of ...
ASU scientists' research on honey bees featured in 'Science'
Oct 26, 2009 |
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(PhysOrg.com) -- Two Arizona State University researchers, Robert Page and Gro Amdam, are the subject of a feature article in the Oct. 25 issue of the journal Science, which traces their collaboration, discov ...
