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Crystallography reveals the 3-D structure of mammalian sperm receptor
Scientists at the Swedish medical university Karolinska Institutet have determined the first 3D structure of ZP3, a protein essential for the interaction between the mammalian egg coat and sperm. view more (2008-12-05)
X-Effect: Female Chromosome Confirmed a Prime Driver of Speciation
Researchers at the University of Rochester believe they have just confirmed a controversial theory of evolution. The X chromosome is a strikingly powerful force in the origin of new species. view more (2007-10-18)
Genital stimulation opens door for cryptic female choice in tsetse flies
By snipping off parts of male genitalia and reducing genital sensation in both male and female tsetse flies, researchers induced a suite of changes in female reproduction, including reduced ovulation, reduced sperm storage and increased re-mating attempts by the females. view more (2009-05-15)
Obese men have less semen, more sperm abnormalities, and should lose weight before trying for a baby
Obese men should consider losing weight if they want to have children, a scientist told the 24th annual conference of the European Society of Human Reproduction and Embryology. view more (2008-07-09)
Male infertility: Scientists discover candidate gene for impaired spermatogenesis
Lausanne, Switzerland: Researchers in the Netherlands believe they have identified a gene that is involved in causing infertility in men. Dr Judith Gianotten told the European Society of Human Reproduction and Embryology annual meeting in Lausanne today (Wednesday 4 July) that the ZNF214 gene is probably a candidate gene for impaired... view more... (2001-07-03)
Human induced plurtipotent stem cells reprogrammed into germ cell precursors
For the first time, UCLA researchers have reprogrammed human induced pluripotent stem (iPS) cells into the cells that eventually become eggs and sperm, possibly opening the door for new treatments for infertility using patient-specific cells. view more (2009-01-27)
A twist in the tail - Leeds researchers show how sperm wriggle.
In a discovery with far-reaching potential for advances in infertility treatment, scientists at the University of Leeds have identified what makes sperm wriggle and swim. The answer lies in a protein called dynein. The scientists have taken the first photographs of individual molecules of dynein, also found in lungs, the nervous system and... view more... (2003-02-11)
Testicular tumors may explain why some diseases are more common in children of older fathers
A rare form of testicular tumour has provided scientists with new insights into how genetic changes (mutations) arise in our children. view more (2009-10-26)
Of mice and men: new male contraceptives successful in rodents and humans
Pills, sponges, IUDs, diaphragms-- women have many options for planning their fertility, none of them quite perfect. view more (2007-10-01)
Ancient whale fall from California's Año Nuevo Island one of youngest, most complete known
A fossilized whale skeleton excavated 20 years ago amid the stench and noise of a seabird and elephant seal rookery on California's Año Nuevo Island turns out to be the youngest example on the Pacific coast of a fossil whale fall and the first in California, according to University of California, Berkeley, paleontologists.
view more (2007-09-14)
Study helps preserve arctic whale, Eskimo subsistence hunt
Research on one of the oldest-living mammals - the bowhead whale - has helped preserve a primary food source for Eskimos in the far reaches of Alaska, and also may provide a useful tool for studying genetic variation in other migratory animals. view more (2007-06-13)
Yale researchers find environmental toxins disruptive to hearing in mammals
Yale School of Medicine researchers have new data showing chloride ions are critical to hearing in mammals, which builds on previous research showing a chemical used to keep barnacles off boats might disrupt the balance of these ions in ear cells. view more (2006-04-12)
Significantly higher success rates with artificial insemination
In future a new method could help some couples who are childless against their will. The microscopic procedure significantly improves the success rate of 'ICSI' (intracytoplasmic sperm injection). view more (2008-02-07)
New male contraceptive targets sperm, not hormones
Men and women have long been promised a male version of the female contraceptive pill. But the first new male contraceptive to market may not be hormonal at all. view more (2006-05-08)
Time is not on the side of older dads
University of Queensland research has revealed the older a dad is the more likely his children will have reduced cognitive abilities. view more (2009-03-10)
The Right Food Can Improve Fertility
Roasted red peppers, mini crab cakes and Brazil nuts can all help to increase fertility. They will all feature in a special Fertility Buffet, laid on by Dr Margaret Rayman, Director of the MSc Course in Nutritional Medicine at the University of Surrey, on 3 July 2003. A good, balanced diet rich in fruit and vegetables (at least five portions a... view more... (2003-06-30)
Assisted reproduction provides bright future for HIV positive men - butseems less successful for women
Assisted reproduction can safely help HIV positive men to become fathers without infecting their partners, according to new research from French fertility experts. view more (2003-05-24)
New Whale Detection Buoys Will Help Ships Take the Right Way through Marine Habitat
Researchers from the Woods Hole Oceanographic Institution (WHOI) and the Bioacoustics Research Program (BRP) at the Cornell Lab of Ornithology have teamed up with an international energy company and federal regulators to listen for and help protect endangered North Atlantic right whales in New England waters. view more (2008-04-30)
Study links dietary folate intake to genetic abnormalities in sperm
Healthy men who report lower levels of the nutrient folate in their diets have higher rates of chromosomal abnormalities in their sperm, according to a new study by researchers at the University of California, Berkeley, and the Lawrence Berkeley National Laboratory. view more (2008-03-20)
Are men in danger of extinction?
Despite having had most of the social determinants of health in their favour, men have higher mortality rates for all 15 leading causes of death and have a life expectancy about seven years shorter than women's. An editorial in this week's BMJ asks are men in danger of extinction? Men's reluctance to embrace preventive strategies has also... view more... (2001-10-31)
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