A greyscale micrograph of a Ly6G+ macrophage, showing a kidney-shaped nucleus and many elongated cell-surface protrusions 
| 4 min read
Initially mistaken for neutrophils, a population of atypical macrophages appears in the lungs after severe viral infection, orchestrates tissue repair, and then vanishes. 

influenza

A pregnant woman blowing her nose.

Viral Immune Responses Suppress a Gestational Hormone

A Signal for T Cells to Remember

Illustration of a virus

Vaccines: Sex Matters

What Could Cause the Next Pandemic?

What Could Cause the Next Pandemic?

An artistic rendering of SARS-CoV-2 made to look like stained glass

SARS-CoV-2 Infection Can Alter Future Immune Reponses

An artist’s rendering of a DNA-based virus trap, represented as gray rods in a short cone-shaped arrangement. One is coated with blue molecules, likely antibodies, that adhere to a virus target. Another image shows to traps coming together to capture a red coronavirus.

“Origami” DNA Traps Could Keep Large Viruses From Infecting Cells

Illustration of viruses represented with different colors overlapping each other.

What Happens When You Catch More than One Virus?

A mouse in front of an open sack of grain.

Mice Fed a Highly Processed Diet Are More Susceptible to the Flu

person in white jacket putting bandaid on arm of child

Can We Predict How Well Someone Will Respond to a Vaccine?

Micrograph of influenza A virus and RSV

Flu/RSV Coinfection Produces Hybrid Virus that Evades Immune Defenses

an immune cell in blood

Why Viral Infections Are More Severe in People with Down Syndrome

A dead northern gannet (Morus bassanus) on a beach

Unprecedented Avian Flu Epidemic Could Presage Year-Round Outbreaks

Discover how to multiplex antigen analysis

Rapid Multiplexed Antigen Analysis

The balance of mind and body on a seesaw

Psychological Stress Distracts the Immune System from Fighting Infections

Person in a black, beaked robe (left) and man in a black tunic (right), flanking a red coat of arms

Masking Up, 1619 to Present

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The Scientist Speaks - To Conserve and Protect: The Quest for Universal Vaccines

Metal shelves densely packed with preserved tissue specimens of various sizes, all suspended in glass containers.

Evolution of 1918 Flu Virus Traced from Century-Old Samples

Man with white hair sits in front of a world map

Famed Pathologist Johan Hultin Dies at 97

Discover Genetic Influences on the Immune Response

The Genetics Behind Immune Response Variability

indoor chicken farm

Avian Flu Case Numbers Soar in Europe

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

Universe 25 Experiment

Large clumps of bacteria (pink) entrapped by webs of DNA (green) released by neutrophils in human urine.

When a Urinary Tract Infection Strikes, What Protects the Kidneys?

A white dire wolf stands in a grassy enclosure in front of a pile of logs.

Dire Wolf De-Extinction Debate Divides Scientists

Illustration of a transparent, blue outlined synapse with red neurotransmitters passing between them. More out-of-focus blue neurons are in the background.

ALS Disturbs Sleep Prior to Symptom Onset

Multimedia

Conceptual image of biochemical laboratory sample preparation showing glassware and chemical formulas in the foreground and a scientist holding a pipette in the background.

Taking the Guesswork Out of Quality Control Standards

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Green Cooling

Thermo Scientific™ Centrifuges with GreenCool Technology

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Image of a woman in a microbiology lab whose hair is caught on fire from a Bunsen burner.
April 1, 2025, Issue 1

Bunsen Burners and Bad Hair Days

Lab safety rules dictate that one must tie back long hair. Rosemarie Hansen learned the hard way when an open flame turned her locks into a lesson.

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Conceptual image of biochemical laboratory sample preparation showing glassware and chemical formulas in the foreground and a scientist holding a pipette in the background.

Taking the Guesswork Out of Quality Control Standards

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An illustration of PFAS bubbles in front of a blue sky with clouds.

PFAS: The Forever Chemicals

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Unlocking the Unattainable in Gene Construction

Unlocking the Unattainable in Gene Construction

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Concept illustration of acoustic waves and ripples.

Comparing Analytical Solutions for High-Throughput Drug Discovery

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Singleron Biotechnologies and Hamilton Bonaduz AG Announce the Launch of Tensor to Advance Single Cell Sequencing Automation

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Zymo Research Launches Research Grant to Empower Mapping the RNome

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Cytosurge Appoints Magid Haddouchi as Chief Commercial Officer