1
2
Aug. 20, 2021 —Researchers detail how a ubiquitous signaling molecule plays a critical role in male fertility, orchestrating key steps that promote sperm motility, survival and fertilization ...
July 19, 2022 —The Prussian carp is considered one of the most successful invasive fish species in Europe. Its ability to reproduce asexually gives it a major advantage over competing fish. An international ...
Oct. 21, 2020 —According to the Mayo Clinic, about 15% of couples are infertile, and male infertility plays a role in over one-third of these cases. Often, problems with sperm development are to blame. Now, ...
May 17, 2021 —Sperm are generally viewed as having just one action in reproduction -- to fertilize the female's egg - but studies are overturning that ...
Oct. 19, 2021 —A new study shows that functional sperm cells can be made in a dish using primate embryonic stem ...
Dec. 2, 2021 —An intense but short-term exposure to cannabis vapor lowered sperm counts and slowed sperm movement, or motility, not only in the directly exposed male mice but also in their sons, according to a new ...
Sep. 7, 2021 —For species that rely on sexual reproduction, including mice and men, offspring can only happen if sperm from the male fertilize eggs from the female. Even artificial fertilization techniques depend ...
Nov. 15, 2022 —The behavior of sperm cells is due, in part, to the individual DNA make-up of these cells, rather than only to the genetics of males. The results, which provide a new understanding of the competition ...
Dec. 1, 2020 —A protein called CatSper1 may act as a molecular 'barcode' that helps determine which sperm cells will make it to an egg and which are eliminated along the ...
July 14, 2022 —Scientists have discovered only a handful of genes responsible for stem cell self-renewal, a property that allows stem cells to continue giving rise to a variety of cell types during an ...