A grayscale tomography image of snake tissue
| 4 min read
Researchers visualize the snake clitoris in detail for the first time, finding evidence that the organ may be evolutionarily important for snake sex.

sexual behavior

Reddish shelf fungi on a log

This Fungus Has More Than 17,000 Sexes

funnel web spider courtship

Image of the Day: Spider Sex

Larger Hermit Crab Penises May Prevent Shell Theft

Do Human Pheromones Exist?

Fast-Tracking Sexual Maturation

Sexual Touch Promotes Early Puberty

Image of the Day: Monkey Business

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Guppie Porn

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Image of an infant’s feet that are visible in a hospital incubator.

Record-Breaking DNA Sequencing Technology Could Transform Newborn Care

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

Universe 25 Experiment

The World's Densest Bones

Image of a woman with her hands across her stomach. She has a look of discomfort on her face. There is a blown up image of her stomach next to her and it has colorful butterflies and gut bacteria all swarming within the gut.

Why Do We Feel Butterflies in the Stomach?

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Olga Anczukow and Ryan Englander discuss how transcriptome splicing affects immune system function in lung cancer.

Long-Read RNA Sequencing Reveals a Regulatory Role for Splicing in Immunotherapy Responses

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Research Roundtable: The Evolving World of Spatial Biology

Research Roundtable: The Evolving World of Spatial Biology

Image of a woman with her hands across her stomach. She has a look of discomfort on her face. There is a blown up image of her stomach next to her and it has colorful butterflies and gut bacteria all swarming within the gut.
November 2025, Issue 1

Why Do We Feel Butterflies in the Stomach?

These fluttering sensations are the brain’s reaction to certain emotions, which can be amplified or soothed by the gut’s own “bugs".

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Olga Anczukow and Ryan Englander discuss how transcriptome splicing affects immune system function in lung cancer.

Long-Read RNA Sequencing Reveals a Regulatory Role for Splicing in Immunotherapy Responses

Pacific Biosciences logo
Research Roundtable: The Evolving World of Spatial Biology

Research Roundtable: The Evolving World of Spatial Biology

Conceptual cartoon image of gene editing technology

Exploring the State of the Art in Gene Editing Techniques

Bio-Rad
Conceptual image of a doctor holding a brain puzzle, representing Alzheimer's disease diagnosis.

Simplifying Early Alzheimer’s Disease Diagnosis with Blood Testing

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