A team of researchers from the University of Aveiro and the University of Porto, both in Portugal, and the University of Birmingham in the U.K. has found that for humans, the brain and testis have the highest number of common ...
Not all species need sperm to fertilize an egg for sexual reproduction. Some species need sperm in order to induce completion of egg nucleus development, but then never use the sperm's DNA. I describe how this self-sexual ...
Plants & Animals
Feb 19, 2021
0
7
University of Oregon biologists have used the model organism Caenorhabditis elegans to identify molecular mechanisms that produce DNA damage in sperm and contribute to male infertility following exposure to heat.
Cell & Microbiology
Oct 23, 2020
0
98
Infertility is a worldwide clinical problem for human health that affects 8 to 12 percent of couples. A new study from Washington University in St. Louis has implications for understanding some age-related aspects of male ...
Plants & Animals
Aug 3, 2020
6
352
A breakthrough in fertility science by researchers from Bristol and Mexico has shattered the universally accepted view of how sperm 'swim'.
Cell & Microbiology
Jul 31, 2020
7
1985
Human eggs use chemical signals to attract sperm. New research from Stockholm University and Manchester University NHS Foundation Trust shows that eggs use these chemical signals to choose sperm. Different women's eggs attract ...
Evolution
Jun 9, 2020
10
9885
In the famous words of movie character Forrest Gump, "Life is like a box of chocolates; you never know what you're gonna get."
Molecular & Computational biology
Jun 4, 2020
0
19
A new study on how and when the precursors to eggs and sperm are formed during development could help pave the way for generating egg and sperm cells in the lab to treat infertility.
Cell & Microbiology
Feb 6, 2020
1
251
A team of researchers from Denmark, the U.K. and Ireland has identified the origin of ambergris. In their paper published in the journal Biology Letters, the group describes analyzing DNA sequences from ambergris samples ...
A trio of researchers with the University of Lausanne has found that cryopreservation of fish sperm leads to slowed growth of their offspring. In their paper published in Proceedings of the Royal Society B, David Nusbaumer, ...
