A chromosome is gradually unwinding until the DNA double helix is visible. Proteins interact with parts of the DNA. Antibodies are attached to these protein-DNA interacting regions.
| 10+ min read
Discover how chromatin immunoprecipitation transformed the study of DNA-protein interactions through decades of scientific innovation.

Foundations

X-ray crystallography of penicillin

Crystal-Clear Penicillin, 1945

In urban bathhouses in Germany and the surrounding low countries, bathhouse proprietors, known as baders, provided visitors with basic medical care. To draw blood, baders would scratch the skin before placing a heated cupping glass over the incision to extract blood and purge the body. Other tools associated with baders, including dental forceps and an amputation saw, hint at further services they provided.

Bathing Through the Ages: 1300–1848

Glass blown and sculpted model of the golden bellapple (<em>Passiflora laurifolia</em>)

Glass Menagerie, 1863–1936

Glass-blown and sculpted model of the sea anemone (<em>Phymactis florida</em>)

Slideshow: The Lifelike Glass Models of Leopold and Rudolf Blaschka

A building behind trees

Ford Foundation Sunsets Diversity Fellowships

A photo of soybean pods

The Right Chemistry, 1935

A lithograph of a woman sitting up in bed while a nurse attends to her.

Death by Nostalgia, 1688

Formed of various flowers, this personification cartoon of a female botanist, painted by George Spratt, was pasted into Allen’s copy of The English Flora.

La Botaniste, 1810–1865

In one of the only known photos of Abraham Lincoln taken on the day of the Gettysburg Address, Lincoln can be seen seated, hatless, just below and to the right of the flag. Lincoln began developing symptoms of smallpox on the train home to Washington, DC.

Presidential Pox, 1863

Trending

Kirsty Wright is searching for evidence in a missing persons investigation. She is wearing a blue shirt and glasses. Behind her is dense vegetation and police procedural tape.

How a Forensic Biologist Exposed a DNA Lab Scandal That Shook Australia

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

Universe 25 Experiment

Hands holding an older woman’s hands.

One Gene Influences 75 Percent of Alzheimer’s Disease Cases

A picture of Rohita Roy, a postdoc at Stanford University.

Postdoc Portrait: Rohita Roy

Multimedia

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From Data to Discovery: Omics in Therapeutic Innovation

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Exploring Organoids for Disease Modeling Research

February 2026

A Stubborn Gene, a Failed Experiment, and a New Path

When experiments refuse to cooperate, you try again and again. For Rafael Najmanovich, the setbacks ultimately pushed him in a new direction.

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Human-Relevant In Vitro Models Enable Predictive Drug Discovery

Advancing Drug Discovery with Complex Human In Vitro Models

Stemcell Technologies
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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Conceptual multicolored vector image of cancer research, depicting various biomedical approaches to cancer therapy

Maximizing Cancer Research Model Systems

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Products

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Beckman Coulter Life Sciences Partners with Automata to Accelerate AI-Ready Laboratory Automation

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Refeyn named in the Sunday Times 100 Tech list of the UK’s fastest-growing technology companies