When the female gametes in plants become fertilized, a signal from the sperm activates cell division, leading to the formation of new plant seeds. This activation can also be deliberately triggered without fertilization, ...
Cell & Microbiology
Feb 15, 2024
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54
All animals need sleep. When humans or animals don't get enough, it can lead to trouble paying attention, irritability, and other ill effects. And yet, researchers reporting in the journal Current Biology have made the surprising ...
Plants & Animals
Jan 25, 2024
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8
Researchers have discovered a new phenomenon where sperm from mice can induce non-reproductive cells from hamsters to fuse and form a syncytia—a cell with multiple nuclei.
Cell & Microbiology
Jan 24, 2024
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1
The functioning of certain regions of a few genes in cetaceans (whales, porpoises and dolphins) may explain why the Blue whale (Balaenoptera musculus) can reach lengths of up to 30 meters—almost 10 m more than a bus—while ...
Plants & Animals
Jan 22, 2024
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2
You may have heard about the gut microbiome and its influence on a person's overall health and well-being. It turns out that the same may hold true for the semen microbiome.
Cell & Microbiology
Jan 18, 2024
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27
Mice lacking a certain gene are unable to produce offspring because their sperm lack the connection between the tail and the head. A new thesis from the University of Gothenburg indicates a probable cause of male infertility.
Cell & Microbiology
Jan 18, 2024
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In humans, male fertility and sperm fitness decline with age, but scientists have made the surprising discovery that this pattern is not consistent in other animals. The findings have been published in the journal Nature ...
Plants & Animals
Jan 17, 2024
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44
A sperm whale expert at Dalhousie University, in Canada, has found evidence showing that sperm whales form large matrilineally based clans that have their own coda dialect. In his paper published in the journal Royal Society ...
A juvenile sperm whale that appeared to be in poor health was euthanized Wednesday after stranding on a North Carolina beach.
Ecology
Dec 28, 2023
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20
Researchers from the University of Tsukuba have developed an advanced refrigerated storage technology that prolongs the fertilization capacity of chicken sperm by arresting the energy metabolism dynamics, achieved through ...
Biotechnology
Dec 22, 2023
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