News tagged with reproductive sciences
From embryonic stem cells, a sperm replacement and easier path to genetic modification
Researchers reporting in the April 27 issue of the journal Cell have devised a new and improved method for producing genetically modified animals for use in scientific research. The method relies on haploi ...
Apr 26, 2012 |
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Coral embryos clone themselves
Forming a unique part of the animal kingdom, corals have built the only living entity visible from space; the Great Barrier Reef. Scientists from the Australian Institute of Marine Science (AIMS) have recently ...
Mar 01, 2012 |
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Malaria parasite goes bananas before sex: new study
(PhysOrg.com) -- New research from the University of Melbourne shows how the malaria parasite (Plasmodium falciparum) changes into a banana shape before sexual reproduction, a finding that could provide target ...
Feb 14, 2012 |
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Evolution at warp speed: Hatcheries change salmon genetics after a single generation
The impact of hatcheries on salmon is so profound that in just one generation traits are selected that allow fish to survive and prosper in the hatchery environment, at the cost of their ability to thrive ...
Dec 19, 2011 |
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Infectious fungus, thought to be asexual, isn't: More evidence of sex in the Candida genus
The fungi of the Candida genus, known to millions of patients worldwide for their ability to cause serious infections, were once all thought to be asexual. Even after scientists discovered that the mating habits of Candid ...
Dec 05, 2011 |
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Study finds monkey mothers are key to sons' reproductive success
If you are a male human, nothing puts a damper on romantic success like having your mother in tow. If you are a male northern muriqui monkey, however, mom's presence may be your best bet to find and successfully ...
Nov 07, 2011 |
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Biologists discover how yeast cells reverse aging
Human cells have a finite lifespan: They can only divide a certain number of times before they die. However, that lifespan is reset when reproductive cells are formed, which is why the children of a 20-year-old ...
Jun 24, 2011 |
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Successful mothers get help from their friends: Dolphin study
(PhysOrg.com) -- Female dolphins who have help from their female friends are far more successful as mothers than those without such help, according to a landmark new study.
Nov 01, 2010 |
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Sex, drugs and moral goals: Study of reproductive strategies and recreational drug use
Why is there so much disagreement about whether using recreational drugs is morally wrong? A University of Pennsylvania psychology study shows that the debate about drugs might really be about sex.
Medicine & Health / Psychology & Psychiatry
Jun 16, 2010 |
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New study documents use of hormone progesterone in simple microscopic aquatic animals
A new study shows that humans and tiny aquatic animals known as rotifers have something important in common when it comes to sex.
Jun 14, 2010 |
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Research shows personality can predict fertility
The reproductive success of both men and women is influenced by our personality traits, according to new research from the University of Sheffield.
Medicine & Health / Psychology & Psychiatry
Jun 08, 2010 |
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Study finds vaginal microbes vary among healthy women
The delicate balance of microbes in the vagina can vary greatly between healthy women, according to a new study led by the University of Maryland School of Medicine's Institute for Genome Sciences. Researchers hope further ...
Medicine & Health / Medical research
Jun 03, 2010 |
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Lessons from the pond: Clues from green algae on the origin of males and females
A multicellular green alga, Volvox carteri, may have finally unlocked the secrets behind the evolution of different sexes. A team led by researchers at the Salk Institute for Biological Studies has shown ...
Apr 15, 2010 |
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Deep sedimentation of acantharian cysts -- a reproductive strategy?
Spore-like reproductive cysts of enigmatic organisms called acantharians rapidly sink from surface waters to the deep ocean in certain regions, according to new research. Scientists suspect that this is part of an extraordinary ...
Space & Earth / Earth Sciences
Mar 08, 2010 |
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Protein from pregnancy hormone may prevent breast cancer
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 ...
Nov 24, 2009 |
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