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sperm

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First-Ever Transplant Of Testicular Tissue Frozen For Nearly 20 Years Found To Produce Spermsmall test tube held in tweezers over a container of dry ice

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First-Ever Transplant Of Testicular Tissue Frozen For Nearly 20 Years Found To Produce Spermsmall test tube held in tweezers over a container of dry ice
health-iconmedicine

First-Ever Transplant Of Testicular Tissue Frozen For Nearly 20 Years Found To Produce Sperm

clock-iconMay 5, 2026

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New Step Towards Male Contraception As Sperm Production Blocked Safely And Reversibly Without Hormones3D illustration of sperm cells swimming towards an egg cell on the right

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New Step Towards Male Contraception As Sperm Production Blocked Safely And Reversibly Without Hormones3D illustration of sperm cells swimming towards an egg cell on the right
health-iconmedicine

New Step Towards Male Contraception As Sperm Production Blocked Safely And Reversibly Without Hormones

clock-iconApril 8, 2026

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Men Who Ejaculate More Frequently May Have Better Quality SpermA digital photo showing sperm cells clustered together on a blue background.

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Men Who Ejaculate More Frequently May Have Better Quality SpermA digital photo showing sperm cells clustered together on a blue background.
health-iconmedicine

Men Who Ejaculate More Frequently May Have Better Quality Sperm

clock-iconMarch 25, 2026

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COVID-19 Can Alter Sperm And Affect Brain Development In Offspring, Causing Anxious Behavior3D illustration of green sperm cells and a DNA molecule

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COVID-19 Can Alter Sperm And Affect Brain Development In Offspring, Causing Anxious Behavior3D illustration of green sperm cells and a DNA molecule
health-iconmedicine

COVID-19 Can Alter Sperm And Affect Brain Development In Offspring, Causing Anxious Behavior

clock-iconOctober 14, 2025
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"Impossible To Imagine": Queen Ants Produce Babies Of 2 Different Species, And It's Never Been Seen BeforeA small black ant with brown legs

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"Impossible To Imagine": Queen Ants Produce Babies Of 2 Different Species, And It's Never Been Seen BeforeA small black ant with brown legs
nature-iconcreepy crawlies

"Impossible To Imagine": Queen Ants Produce Babies Of 2 Different Species, And It's Never Been Seen Before

clock-iconSeptember 4, 2025
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The Longest Sperm On Earth Is 20 Times The Animals’ Body Size, But Whose Is It?who has longest sperm? mouse fly elephant

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The Longest Sperm On Earth Is 20 Times The Animals’ Body Size, But Whose Is It?who has longest sperm? mouse fly elephant
nature-iconanimals

The Longest Sperm On Earth Is 20 Times The Animals’ Body Size, But Whose Is It?

clock-iconSeptember 2, 2025

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Is A Cat Poop Parasite Decapitating Human Sperm Contributing To Rising Infertility?The photo has been cropped diagonally from the bottom left to the top right. In the top left corner of the image is are five sperm cells wriggling against a blue backdrop. Two of the sperm have had their heads detached from their tails. In the lower half of the image, a black and white cat is standing in a green and white litter tray. The cat is looking towards the camera as if it knows what's above it.

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Is A Cat Poop Parasite Decapitating Human Sperm Contributing To Rising Infertility?The photo has been cropped diagonally from the bottom left to the top right. In the top left corner of the image is are five sperm cells wriggling against a blue backdrop. Two of the sperm have had their heads detached from their tails. In the lower half of the image, a black and white cat is standing in a green and white litter tray. The cat is looking towards the camera as if it knows what's above it.
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Is A Cat Poop Parasite Decapitating Human Sperm Contributing To Rising Infertility?

clock-iconJune 26, 2025
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Sperm-Blocking Male Contraceptive Could Hit The Market "As Soon As 2028" After Promising 2-Year Trial Resultsillustration of white sperm cells hitting a brick wall on a black background, representing barrier contraception

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Sperm-Blocking Male Contraceptive Could Hit The Market "As Soon As 2028" After Promising 2-Year Trial Resultsillustration of white sperm cells hitting a brick wall on a black background, representing barrier contraception
health-iconhealth

Sperm-Blocking Male Contraceptive Could Hit The Market "As Soon As 2028" After Promising 2-Year Trial Results

clock-iconApril 29, 2025
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Japanese Rice Fish Males Mate Up To 27 Times A Day – But Females Only OnceTwo small fish in a clear tank with a ruler scale along the bottom.

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Japanese Rice Fish Males Mate Up To 27 Times A Day – But Females Only OnceTwo small fish in a clear tank with a ruler scale along the bottom.
nature-iconanimals

Japanese Rice Fish Males Mate Up To 27 Times A Day – But Females Only Once

clock-iconJanuary 9, 2025
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Sperm-Blocking Hydrogel Is Another Promising Step Towards Reversible Male Birth Controlplasticine representations of white sperm cells and a pink egg cell on a purple background

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Sperm-Blocking Hydrogel Is Another Promising Step Towards Reversible Male Birth Controlplasticine representations of white sperm cells and a pink egg cell on a purple background
health-iconmedicine

Sperm-Blocking Hydrogel Is Another Promising Step Towards Reversible Male Birth Control

clock-iconDecember 16, 2024
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Scientists Took Semen Onto A "Vomit Comet" Flight, And The Results Were ConcerningA stunt plane doing a loop.

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Scientists Took Semen Onto A "Vomit Comet" Flight, And The Results Were ConcerningA stunt plane doing a loop.
space-iconSpace and Physics

Scientists Took Semen Onto A "Vomit Comet" Flight, And The Results Were Concerning

clock-iconNovember 14, 2024
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World-First Snakelets Born At Memphis Zoo Using Cryopreserved Sperma louisiana pinesnake in a box, it has pale scales with brown patches

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World-First Snakelets Born At Memphis Zoo Using Cryopreserved Sperma louisiana pinesnake in a box, it has pale scales with brown patches
nature-iconanimals

World-First Snakelets Born At Memphis Zoo Using Cryopreserved Sperm

clock-iconAugust 30, 2024
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Saunas: Great For Health Or Just A Lot Of Hot Air?article image

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Saunas: Great For Health Or Just A Lot Of Hot Air?article image
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Saunas: Great For Health Or Just A Lot Of Hot Air?

clock-iconJune 29, 2024
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Virus Behind COVID-19 Could Linger In Sperm For 110 Days After Infection Startsdoctor wearing white mask and white shirt holds semen sample in clear containing with red lid; doctor is wearing a white glove, the semen sample is clearly in focus

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Virus Behind COVID-19 Could Linger In Sperm For 110 Days After Infection Startsdoctor wearing white mask and white shirt holds semen sample in clear containing with red lid; doctor is wearing a white glove, the semen sample is clearly in focus
health-iconmedicine

Virus Behind COVID-19 Could Linger In Sperm For 110 Days After Infection Starts

clock-iconJune 5, 2024
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Sperm Counts Everywhere Are Going Down – Or Are They? New Data Tells A Different Storyimage depicting declining sperm counts; purple 3D image of an egg cell in the middle, on the left is a red background with lots of white sperm cells, on the right is blue background with many fewer sperm cells

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Sperm Counts Everywhere Are Going Down – Or Are They? New Data Tells A Different Storyimage depicting declining sperm counts; purple 3D image of an egg cell in the middle, on the left is a red background with lots of white sperm cells, on the right is blue background with many fewer sperm cells
health-iconhealth

Sperm Counts Everywhere Are Going Down – Or Are They? New Data Tells A Different Story

clock-iconJune 5, 2024
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