News tagged with sperm concentrations
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Search results for sperm concentrations
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 ...
'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 ...
Nicotine Levels Higher in Children Exposed to Secondhand Smoke in the Home
Dec 03, 2009 |
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(PhysOrg.com) -- New research published in Cancer Epidemiology, Biomarkers & Prevention, a journal of the American Association for Cancer Research, supports the World Health Initiative’s efforts for a home smoking ban, according ...
Health Physics Society recommends considering action for indoor radon below current guidelines
Nov 30, 2009 |
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Radon is a colorless and odorless radioactive gas that is produced by the radioactive decay of radium. Radium is a product of uranium decay and is found in trace amounts naturally in nearly all rocks, soils, and groundwater ...
Fast, easy, and highly sensitive arsenic detection with gold nanoparticles
Nanotechnology / Nanomaterials
Nov 25, 2009 |
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(PhysOrg.com) -- Mention of arsenic poisoning usually brings to mind underhanded murder. However, the danger of arsenic poisoning from contaminated drinking water is far greater. Low concentrations of arsenic are found in ...
Scientists use nanosensors for first time to measure cancer biomarkers in blood
Nanotechnology / Bio & Medicine
Dec 13, 2009 |
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A team led by Yale University researchers has used nanosensors to measure cancer biomarkers in whole blood for the first time. Their findings, which appear December 13 in the advanced online publication of ...
Newly discovered mechanism allows cells to change state
Dec 09, 2009 |
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Cells are not static. They can transform themselves over time — but change can have dangerous implications. Benign cells, for example, can suddenly change into cancerous ones.
Why females live longer than males: is it due to the father's sperm?
Dec 01, 2009 |
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Researchers in Japan have found that female mice produced by using genetic material from two mothers but no father live significantly longer than mice with the normal mix of maternal and paternal genes. Their findings provide ...
Looking for the heartbeat of cellular networks
Dec 16, 2009 |
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Our cells' molecules form an intricate network of interactions. Today's techniques, however, can only be used to measure individual molecular reactions outside the cells. Since molecular concentrations are much higher in ...
Ice Cold: Cooler Than Being Cool
Nov 24, 2009 |
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(PhysOrg.com) -- Water expands when it freezes. Anyone who has ever left a can of soda or bottle of water in the freezer too long has witnessed this first hand. So how do plants and animals survive severe ...
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