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

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A cross section of a pine stem shows cells stained purple and blue.

The Biggest Breakthroughs in Cell Biology in 2025

Gollum, the extremely territorial character from The Lord of the Rings, famous for his line, “My precious,” sits on a rock, looking up.

The Gollum Effect: 44 Percent of Scientists Report Territorial Research Experiences

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

Universe 25 Experiment

A close-up image of a fly landing on a dessert

What Happens When a Fly Lands on Your Food? 

Multimedia

Alzheimer: Phosphorylation of Tau proteins leads to disintegration of microtubuli in a neuron axon stock photo

Advancing Alzheimer’s Disease Detection with Brain-Derived pTau217 Assays

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Abstract pattern of multicolored circles on a dark background, representing immune cell diversity and single-cell sequencing resolution.

Exploring Immune Diversity at the Single-Cell Level

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December digest cover image of a wooden sculpture comprised of multiple wooden neurons that form a seahorse.
December 2025, Issue 1

Wooden Neurons: An Artistic Vision of the Brain

A neurobiologist, who loves the morphology of cells, turns these shapes into works of art made from wood.

View this Issue
Alzheimer: Phosphorylation of Tau proteins leads to disintegration of microtubuli in a neuron axon stock photo

Advancing Alzheimer’s Disease Detection with Brain-Derived pTau217 Assays

Alamar Biosciences logo
Abstract pattern of multicolored circles on a dark background, representing immune cell diversity and single-cell sequencing resolution.

Exploring Immune Diversity at the Single-Cell Level

parse-biosciences-logo
Stacks of cell culture dishes, plates, and flasks with pink cell culture medium on a white background.

Driving Innovation with Cell Culture Essentials

Merck
Stacks of cell culture dishes, plates, and flasks with pink cell culture medium on a white background.

Driving Innovation with Cell Culture Essentials

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Products

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Beckman Coulter Life Sciences Introduces the Biomek i3 Benchtop Liquid Handler, a Small but Mighty Addition to its Portfolio of Automated Workstations

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BRANDTECH® Scientific Announces Strategic Partnership with Copia Scientific to Strengthen Sales and Service of the BRAND® Liquid Handling Station (LHS) 

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Enter Our 2026 Top Innovations Contest

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Biotium Expands Tyramide Signal Amplification Portfolio with Brighter and More Stable Dyes for Enhanced Spatial Imaging