Some insects have detachable penises, others produce sperm that is 20 times the size of their own body. Others have evolved with special equipment to help them tear rivals off potential mates. Insects can be creepy, promiscuous ...
Plants & Animals
Jun 25, 2024
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1
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
Sperm can modulate their energetics by regulating their flagellar waveform—how the sperm oscillate their tails—in order to adapt to varying fluid environments, potentially optimizing their motility and navigation within ...
Cell & Microbiology
Nov 1, 2023
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61
Genetic quality or genetic compatibility? What do female fruit flies prioritize when mating? Researchers at the University of Zurich show that both factors are important at different stages of the reproductive process and ...
Evolution
Oct 2, 2023
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1
New UC Riverside research makes it likely that proteins responsible for activating mosquito sperm can be shut down, preventing them from swimming to or fertilizing eggs.
Cell & Microbiology
Mar 16, 2023
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107
In order to achieve good times in their races, many Olympic swimmers wear swimsuits that are low in water resistance. Similarly, spermatozoa, the male reproductive cells, possess a "streamlined" structure to travel more smoothly ...
Cell & Microbiology
Mar 13, 2023
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46
Fertilization is the union of two cells: an egg and a sperm. Before the egg and the sperm fuse, an event known as the "acrosome reaction" needs to occur in the sperm. Now, a team from Osaka University has identified a protein ...
Cell & Microbiology
Jan 25, 2023
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23
Female snakes have clitorises, according to the first detailed study on the subject Wednesday, in which the scientists lashed out at how little female sex organs have been researched compared to males across species.
Plants & Animals
Dec 14, 2022
1
735
It turns out sperm go against the flow better when they swim together.
Cell & Microbiology
Sep 22, 2022
2
125
Researchers have developed a ground-breaking technology to culture natural tissue from female fetal fallopian tubes and uteri, potentially paving the way to help women born with reproductive abnormalities to attain normal ...
Cell & Microbiology
Aug 31, 2022
1
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