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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”

illustration of a laptop with small people filling out an assessment

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

Image of an enzyme targeting advanced glycation end-products on collagen and elastin.

Lawnmower-like Enzyme Rewinds Decades of Molecular Aging in Human Tissue

Variety of sweeteners - Stevia, sugar, pollen and honey stock photo

How the Gut Differentiates Artificial Sweeteners from Sugars

A person on an operation table getting anesthesia. A study revealed sex differences in ketamine anesthesia.

Female Brains Wake Up from Anesthesia Differently Than Male Brains

Artistic illustration of cancer cells (red).

Ovarian Cancer Cells Use Fructose to Promote Metastasis 

Multimedia

Improving rAAV Production for Viral Vector Manufacturing

Improving rAAV Production for Viral Vector Manufacturing

cytiva logo
Advancing Respiratory Immunity Through Tissue-Resident Memory T Cell Research

Advancing Respiratory Immunity Through Tissue-Resident Memory T Cell Research

Miltenyi
August 2026 Digest cover
August 2026

Epic Fail: Sea-Monkeys Sabotage Fieldwork

When Barry Hicks set out to photograph thrombolites, thousands of unexpected visitors photobombed his underwater images.

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Improving rAAV Production for Viral Vector Manufacturing

Improving rAAV Production for Viral Vector Manufacturing

cytiva logo
Advancing Respiratory Immunity Through Tissue-Resident Memory T Cell Research

Advancing Respiratory Immunity Through Tissue-Resident Memory T Cell Research

Miltenyi
Scientist holding a clear 384-well PCR microplate in a laboratory

What Dictates PCR Success Before Amplification Begins?

Integra Logo
Overcoming Immunotherapy Resistance in Liver Cancer

Overcoming Immunotherapy Resistance in Liver Cancer

Axion Biosystems

Products

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Sino Biological Launches European Newsletter Campaign with Exclusive Welcome Gifts

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Sino Biological Launches SuperNuclease ® Pro with Free Trial Program

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Sino Biological Launches Precisely Characterized Full-Length p-Tau217 Protein to Advance Next-Generation Alzheimer’s Biomarker Assay Development

A photo of a scientist placing the Resipher device on a 96-well plate.

Resipher: Continuous Live-Cell Mitochondrial Respiration Monitoring in 96-Well Plates

Lucid Scientific logo