Posts Tagged ‘sperm’
Is ultrasound the future of male contraception?
UNC-CHAPEL HILL (US) — Ultrasound equipment commonly used for physical therapy reduces sperm counts in lab rats to levels that would result in infertility in humans. Continue…
Thursday, February 2, 2012 11:16 - 0 Comments
Science & Technology - Jan 31, 2012 14:54 - 0 Comments
Sperm production is costly, crickets show
MONASH U. (AUS) — The production of sperm is more biologically taxing than previously thought, a new study with crickets proves. (more…)
Science & Technology - Aug 15, 2011 14:53 - 0 Comments
Abalone plume draws in sperm
U. WASHINGTON (US) — A molecule notorious for making us sleepy at Thanksgiving also makes it easier for red abalone sperm to hit their target. (more…)
Top Stories - Jul 21, 2011 12:20 - 0 Comments
No coat, no egg: Why some sperm fail
UC DAVIS (US) — Sperm that lack a special protein coating have trouble reaching the egg. The discovery could open up new ways to screen and treat couples for infertility. (more…)
Health & Medicine - Mar 18, 2011 10:06 - 0 Comments
Gene coupled to male infertility
STONY BROOK U. (US) — A new role for mitochondria may hold clues to some causes of male infertility and in turn could have potential in the future for use in a male contraceptive. (more…)
Science & Technology - Nov 8, 2010 12:13 - 0 Comments
Do sperm have commitment phobia?
U. MINNESOTA (US) — Germ cells, the cells that give rise to eggs and sperm, undergo a special form of cell division that commits them to their fates. But future sperm put it off much longer than future eggs do. (more…)
Health & Medicine - Jun 10, 2010 11:56 - 2 Comments
Fertility test singles out five-star sperm
YALE (US)—Researchers have discovered a method to select sperm with the highest DNA integrity in a bid to improve male fertility. The method is comparable to that of the egg’s natural selection abilities, according to the study published in the most recent issue of the Journal of Andrology. (more…)
Health & Medicine - May 14, 2010 15:41 - 6 Comments
Male contraceptive that comes with a zap!
UNC CHAPEL HILL (US)—Some might call it the Holy Grail of reproductive science: developing a long-term, inexpensive, completely reversible, and nonhormonal male contraceptive. (more…)
Health & Medicine - Apr 20, 2010 16:04 - 2 Comments
Omega-3 helps sperm get up and go
U. ILLINOIS (US)—Omega-3 fatty acids are good for more than heart health. New research shows they may have implications for treating male infertility. (more…)
Science & Technology - Mar 19, 2010 6:47 - 2 Comments
Glowing green sperm get around
SYRACUSE U. (US)—Fluorescent green sperm are shedding new light on exactly what happens during insemination and fertilization. (more…)
Health & Medicine - Jan 28, 2010 14:58 - 8 Comments
Sperm donation drops sharply in U.K.
U. SHEFFIELD (UK)—Sperm donation levels in the U.K. are so low that women are resorting to DIY insemination kits and sourcing sperm from abroad in order to have a baby. (more…)
