Three covid rapid antigen tests displaying (left to right) invalid, positive, and negative results.
| 7 min read
Lateral flow tests for COVID-19 can be very accurate and specific when used as directed, but introducing acidic fluids can cause the tests’ detecting antibodies to clump, which may read as a positive result.

Q&A

Paleoecologist Jacquelyn Gill sitting next to museum collection bones

New NAS Awards Honor Science Communication in “Post-Truth World”

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Q&A: Why eLife Is Doing Away with Rejections

Two agar plates superimposed on each other. One is empty while the other is growing multiple different cultured organisms, colored white, beige, and green.

Most Archaea and Bacteria Are Nameless. SeqCode Could Change That

Illustration of several warped and stretched analog clocks swirling around a central point.

It’s Not Just You: Lockdowns Had Us Living in “Blursday,” Study Says

Man in lab coat looking at the camera and smiling

Can Taking a Test Now Tell You if You’ve Already Had COVID-19?

genome sequence text on screen 

Q&A: Whole Genomes of 150,000 Britons Reveal Novel Genetic Variants

Illustration of brain activity

Same Parts of the Brain Control Processing of Dozens of Languages

A wire mesh garbage can has toppled over, spilling crumpled papers onto the ground.

Gone but Not Forgotten: Retracted COVID-19 Papers Still Cited

Photo taken from the perspective of a lab worker in a white coat and purple gloves preparing multiple fecal transplant capsules at a time.

Banking Previous Poos: Could a Transplant of Feces from Your Past Heal You?

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

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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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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Maximizing Cancer Research Model Systems

bioxcell

Products

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Sino Biological Pioneers Life Sciences Innovation with High-Quality Bioreagents on Inside Business Today with Bill and Guiliana Rancic

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Sino Biological Expands Research Reagent Portfolio to Support Global Nipah Virus Vaccine and Diagnostic Development

Beckman Coulter

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