Add Yahoo as a preferred source to see more of our stories on Google. This microscope image provided by Osaka University and the Research Institute of Molecular Pathology in October 2024, shows the ...
A new study identifies the defective function of CatSper, an ion channel controlling calcium levels in sperm, as a common cause of seemingly unexplained male infertility. CatSper-deficient human sperm ...
LONDON, ENGLAND - FEBRUARY 2003: A sperm fertilizes an egg under a microscope using ICSI (Intra Cytoplasmic Sperm Injection) as part of IVF treatment at the private Lister Hospital. One needle holds ...
Researchers at Newcastle University in England report they have coaxed the first human sperm cells from embryonic stem cells, in a remarkable demonstration of how quickly the field of stem-cell ...
A Yale-led research team has uncovered how a naturally occurring biological mechanism found in mammals is able to prevent sperm cells from interacting with an egg, preventing fertilization. The ...
Sperm cells are known to prefer cooler temperatures. For quite some time, a puzzling question for scientists has been: how do temperature-sensitive swimmers actually operate effectively within the ...
How a sperm and an egg fuse together has long been a mystery. New research by scientists in Austria provides tantalizing clues, showing fertilization works like a lock and key across the animal ...
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