sperm

A headshot of Matthew Gage

Evolutionary Ecologist Matthew Gage Dies at 55

Pink rat pups piled on top of each other.

Rat Sperm Generated from Stem Cells

Collage of images including sperm, bacteria, coral, and an illustration of a researcher

Our Favorite Cell and Molecular Biology Stories of 2021

One hand holds a white envelope with a blue and red striped border, while a second hand places a clear sheet of plastic inside with small squares of paper on it

Freeze-Dried Mouse Sperm Sent by Postcard Produces Baby Mice

The Epigenetic Origins of Allergy and Asthma

The Scientist Speaks Ep. 15 - The Epigenetic Origins of Allergy and Asthma

Unearthed: World’s Oldest Animal Sperm—And It’s Giant

Women’s Cervical Mucus Prefers Some Sperm Over Others 

Image of the Day: Scrambled Frog Eggs

Human Testicles Contain Endocannabinoid System Components

Image of the Day: Synchronous Spawning

sperm motility tracking software flagella swimming movement fertility

Image of the Day: Motile Swimmers

Image of the Day: Sperm Donors

Trending

Photo of John Calhoun crouches within his rodent utopia-turned-dystopia

Universe 25 Experiment

The green zombie virus under the microscope, on a mottled yellow background.

What Are Giant Viruses, and Are They Dangerous?

Illustration of a hole in the shape of a dollar sign on a blue background. One character is falling into the hole at the bottom of the “S” while another individual is holding another up at the top of the “S”. The image represents the absence of funding for researchers in biotech with the cancellation of the SBIR/STTR program.

The Federal Government’s Research Innovation Lifeline Has Gone Dark

Cartoon illustration of dead, rod-shaped bacteria, signifying Mycobacterium tuberculosis successfully defeated by antibiotics.

New “Kill Test” Could Help Screen Better Antibiotics

Multimedia

Redefining Immunology Through Advanced Technologies

Redefining Immunology Through Advanced Technologies

Ensuring Regulatory Compliance in AAV Manufacturing with Analytical Ultracentrifugation

Ensuring Regulatory Compliance in AAV Manufacturing with Analytical Ultracentrifugation

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Illustration of a developing fetus surrounded by a clear fluid with a subtle yellow tinge, representing amniotic fluid.
January 2026

What Is the Amniotic Fluid Composed of?

The liquid world of fetal development provides a rich source of nutrition and protection tailored to meet the needs of the growing fetus.

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Redefining Immunology Through Advanced Technologies

Redefining Immunology Through Advanced Technologies

Ensuring Regulatory Compliance in AAV Manufacturing with Analytical Ultracentrifugation

Ensuring Regulatory Compliance in AAV Manufacturing with Analytical Ultracentrifugation

Beckman Coulter Logo
Skip the Wait for Protein Stability Data with Aunty

Skip the Wait for Protein Stability Data with Aunty

Unchained Labs
Graphic of three DNA helices in various colors

An Automated DNA-to-Data Framework for Production-Scale Sequencing

illumina

Products

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Nuclera eProtein Discovery System installed at leading Universities in Taiwan

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BRANDTECH Scientific Introduces the Transferpette® pro Micropipette: A New Twist on Comfort and Control

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Biotium Launches GlycoLiner™ Cell Surface Glycoprotein Labeling Kits for Rapid and Selective Cell Surface Imaging

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Thermo Scientific X and S Series General Purpose Centrifuges

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