Scientific dogma has long asserted that females are born with their entire lifetime's supply of eggs, and once they're gone, they're gone. New findings by researchers at Fred Hutchinson Cancer Research Center, published online ...
Cell & Microbiology
Aug 27, 2009
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Researchers have detailed the effects of zinc ion deficiency and excess on the periodical release of calcium ions, known as calcium oscillations—a process crucial for proper egg activation during fertilization, and the ...
Cell & Microbiology
Jun 28, 2023
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Time-restricted fasting diets could cause fertility problems according to new research from the University of East Anglia.
Plants & Animals
Apr 11, 2023
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Sperm size varies dramatically among different animal species. But why is sperm size so variable when they share the same job—to fertilize eggs? In a new article published in Nature Ecology and Evolution, researchers from ...
Evolution
Jun 21, 2021
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When stony corals have their renowned mass spawning events, in sync with the moon's cycle, colonies simultaneously release an underwater 'cloud' of sperm and eggs for fertilization. But how do the sperm and eggs survive several ...
Plants & Animals
Aug 18, 2020
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An unexpected discovery about fertilization from the University of Virginia School of Medicine reveals new insights on how sperm and egg fuse and could have major implications for couples battling infertility—and may lead ...
Cell & Microbiology
Nov 14, 2019
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485
Sparks literally fly when a sperm and an egg hit it off. The fertilized mammalian egg releases from its surface billions of zinc atoms in "zinc sparks," one wave after another, a Northwestern University-led interdisciplinary ...
Biochemistry
Dec 15, 2014
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During the development of gametes, such as egg and sperm cells in humans, chromosomes are broken and rearranged at many positions. Using state of the art technology, the research group of Franz Klein, professor for genetics ...
Cell & Microbiology
Aug 9, 2011
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In new research that could have implications for improving fertilization in humans and other mammals, life scientists studied interactions between individual sperm and eggs in red abalone, an ocean-dwelling snail, and made ...
Cell & Microbiology
Aug 4, 2011
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(PhysOrg.com) -- At fertilization, a massive release of the metal zinc appears to set the fertilized egg cell on the path to dividing and growing into an embryo, according to the results of animal studies supported by the ...
Biochemistry
Jul 22, 2011
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