In a study published in Behavioral Ecology researchers from Uppsala University show that the same type of sperm is not always the best for all male birds. Depending on how attractive or dominant you are you might be more ...
Plants & Animals
Aug 16, 2018
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Living with a female of its species can extend the reproductive life of a male mouse by a dramatic 20 percent, according to a study reported at the online site of the journal Biology of Reproduction.
Jan 22, 2009
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Sperm tails are actually complex propellant and navigational devices that help push them through fluids and navigate around complex terrain of the female oviduct. Now researchers at Yale and Harvard Universities have identified ...
Cell & Microbiology
Feb 24, 2017
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5
Temperatures soared above 42 C for days in Western Canada in June 2021, with Lytton, B.C., registering 49.6 C, the hottest temperature ever recorded in Canada. Wildfires scorched the province, sparking a 56-day state of emergency ...
Plants & Animals
Apr 27, 2022
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15
UWA scientists researching the seminal fluid of field crickets (teleogryllus oceanicus) are a step closer to knowing why the insect's competitive fertilisation success increases with age.
Plants & Animals
Jun 11, 2014
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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
Male infertility tests are currently performed exclusively in labs, requiring several visits and several days to get a result. The EU-funded QS Mobile project has developed a male fertility test that can be carried out at ...
Analytical Chemistry
Aug 1, 2018
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6
For successful fertilization, sperm should move forward rapidly and be shaped correctly. The unique structure of the sperm cells forms during spermiogenesis. Now, researchers from the University Hospital Bonn (UKB) and the ...
Cell & Microbiology
Nov 28, 2023
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