Although they do it differently than humans, plants also have memories. For example, many plants can sense and remember prolonged cold in the Winter to ensure they flower at the right time during the Spring. This so-called ...
Plants & Animals
May 14, 2020
0
80
Tel Aviv University (TAU) researchers have developed a safe and accurate 3-D imaging method to identify sperm cells moving at a high speed.
Cell & Microbiology
May 7, 2020
0
208
New research from the University of British Columbia and North Carolina State University could help scientists track how climate change is impacting the birds and the bees... of honey bees.
Plants & Animals
Apr 27, 2020
2
126
While some of our body's cells divide in a matter of hours, the process of making sperm, meiosis, alone takes about 14 days from start to finish. And fully six of those days are spent in the stage known as the pachytene, ...
Molecular & Computational biology
Mar 25, 2020
1
230
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
Nature's most common swimmers are single-celled organisms such as microalgae that swim toward light sources, and sperm cells that swim toward an ovum. For a physicist, cells are simply biochemical machines, which must obey ...
General Physics
Oct 29, 2019
0
32
In the battle of the sexes, males appear to have the innovative edge—from a genetic standpoint, at least. Scientists are finding that the testes are more than mere factories for sperm; these organs also serve as hotspots ...
Evolution
Aug 16, 2019
28
135
Scientists from the University of Bath are challenging the claims of two high profile papers from 2018 which reported that in the mouse, RNA has to be added to sperm for them to be fully fertile. The Bath findings undermine ...
Cell & Microbiology
Jul 2, 2019
0
0
A study by Ph.D. student Hanna Nyborg Støstad has investigated the peculiar spiral shape of songbird sperm. Støstad compared sperm cells of 36 bird species including house sparrows and tree swallows, and found that species ...
Plants & Animals
Apr 5, 2019
0
197
Pathological infertility is a condition affecting roughly 7 percent of human males, and among those afflicted, 10 to 15 percent are thought to have a genetic cause. However, pinpointing the precise genes responsible for the ...
Cell & Microbiology
Mar 26, 2019
0
23
