News tagged with fertilizer

Stress degrades sperm quality

Psychological stress is harmful to sperm and semen quality, affecting its concentration, appearance, and ability to fertilize an egg, according to a study led by researchers Columbia University's Mailman ...

May 29, 2014
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US weighs unknowns of 3-person embryo technique

(AP)—Genetic experts cautioned the U.S. government Tuesday that it could take decades to confirm the safety of an experimental fertilization technique that would create babies from the DNA of three people, with the aim ...

Feb 24, 2014
popularity 4.5 / 5 (2) | comments 1