Male pheromones just might be the fountain of youth for aging female animals' eggs, according to a new Northwestern University study.
Plants & Animals
May 19, 2022
1
120
New mutations occur at increasing rates in the mitochondrial genomes of developing egg cells in aging rhesus monkeys, but the increases appear to plateau at a certain age and are not as large as those seen in non-reproductive ...
Molecular & Computational biology
Apr 4, 2022
0
252
The female genital tract can be a hostile environment for conception. Out of about 100 million sperm, only a few hundred make it to the fallopian tubes. Guided by a directional movement called rheotaxis, sperm cells swim ...
Biochemistry
Mar 31, 2022
0
27
To prevent the extinction of the northern white rhino, the international consortium BioRescue is attempting to create artificial egg cells from stem cells. A team led by MDC's Sebastian Diecke and Micha Drukker of Leiden ...
Ecology
Mar 10, 2022
2
503
Bringing extinct animals back from the dead is no longer the realm of science fiction but is fast becoming a scientific reality.
Ecology
Mar 1, 2022
0
247
A team of researchers at Texas Christian University has found that people perceived as more attractive by others tend to have a stronger immune system. In their study, published in Proceedings of the Royal Society B, the ...
Human primordial germ cells (PGCs) are the early precursors of the eggs (oocytes) and sperm that are necessary to keep humankind alive and reproducing. Medical researchers attempt to study their function and development using ...
Cell & Microbiology
Feb 10, 2022
0
35
Virgin birth—which involves the development of an unfertilised egg—has preoccupied humans for eons. And although it can't happen in mammals, it does seem to be possible in other animals with backbones (vertebrates), such ...
Plants & Animals
Nov 4, 2021
1
37
Researchers from Nara Institute of Science and Technology and Nanjing University have found that KNUCKLES (KNU), a small multi-functional protein, helps flowers to complete their development correctly and in a timely way. ...
Molecular & Computational biology
Aug 30, 2021
0
884
A research team at the Humboldt University Berlin and the Leibniz Institute for Zoo and Wildlife Research (Leibniz-IZW) developed an agent-based computer model to simulate the journey of sperm cells through the female genital ...
Plants & Animals
Jul 15, 2021
0
10
