Chemicals released during natural gas extraction may harm reproduction and development
Unconventional oil and gas (UOG) operations combine directional drilling and hydraulic fracturing, or "fracking," to release natural gas from underground rock. Recent discussions have centered on potential air and water pollution ...
Saving, diversifying honey bees: Researchers preparing bee semen bank
(Phys.org) —Washington State University researchers are preparing to use liquid nitrogen to create a frozen semen bank from select U.S. and European honey bee colonies.
Improving survival of pig sperm
Although U.S. cattle genetics are exported all over the world in the form of frozen semen, the same is not true for pigs because boar semen does not freeze well. In an attempt to improve semen storage and pig reproduction, ...
Researchers tag great white sharks off Cape Cod (Update)
(AP)—The scientists and fishermen on board the Ocearch, a repurposed crabbing vessel, received word that their scouting boat had hooked a great white shark, sparking a flurry of activity.
New study reveals responses of genes in females to sex
Sex can trigger remarkable female responses including altered fertility, immunity, libido, eating and sleep patterns—by the activation of diverse sets of genes, according to research from the University ...
Bright bills in mallards helps duck semen fight bacteria
New model reveals pesticide-free method that takes a bite out of mosquito-borne disease
Scientists have modeled a system that may be used to control mosquitoes and the diseases they transmit, without the use of pesticides. In the proposed system, mosquitoes are engineered to carry two genes. The first gene causes ...
New research confirms semen allergy in some men
Some poor men are apparently allergic to their own semen, developing a mysterious flulike illness after they have an ejaculation, Dutch researchers reported Monday.
Preliminary study suggests frequent cycling could affect male fertility
Exposure to BPA associated with reduced semen quality
Increasing urine BPA (Bisphenol-A) level was significantly associated with decreased sperm concentration, decreased total sperm count, decreased sperm vitality and decreased sperm motility, according to a Kaiser Permanente ...
UCLA lens-free telemedicine microscope adds male fertility testing to its bag of tricks
Using holographic imaging system, the microscope can produce phase and amplitude images of semen samples in the field and identify which are moving and which are immotile.
Drinking alcohol during pregnancy may damage semen quality in sons
Mothers who drink alcohol while they are pregnant may be damaging the fertility of their future sons, according to new research to be presented at the 26th annual meeting of the European Society of Human Reproduction and ...
The mating game is far more complicated than X and Y
(PhysOrg.com) -- University of Adelaide research reveals that a man's sperm does far more than fertilise an egg in the womb.
96 percent of vasectomy patients cleared without need for multiple semen samples
Having to provide repeated semen samples following a vasectomy could soon be a thing of the past, after 96 per cent of men were given the all-clear based on a single test three months after surgery.