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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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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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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1
Flinders University researchers have taken a look at why the large Dana octopus squid, which can weigh up to 160kg and measure 2.3 meters long, is so popular on sperm whales' menu.
Plants & Animals
Dec 19, 2023
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7
Predators in perpetual motion. Sleepless in our seas. If that's your image of sharks, you're not alone. And for good reason: sharks must swim to breathe (or so we were told). The science of how sharks sleep and breathe is ...
Plants & Animals
Dec 14, 2023
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79
Almost half of marine mammals around the UK are being poisoned by banned chemicals.
Environment
Dec 2, 2023
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