Headshot of Holly Barker

Holly Barker, PhD

Holly Barker is a freelance writer based in London. She has a PhD in clinical neuroscience from King’s College London and a degree in biochemistry from the University of Manchester. She has previously written for Discover and Spectrum News.

Articles by Holly Barker, PhD

A light blue circular double helix against a dark blue background.

Artificial Chromosomes for Disease Modeling

A microscopy image stained for different cell populations in breast tumors.

Cancer Cells Give Orders

A whitish neutrophil with a red multi-lobed nucleus.

Cell Surface RNA Helps Neutrophils Get Around

Two Neuron Populations Prolong Aggression

The Brain's Barrier Controls Ant Behavior

bacteria inside a biofilm

How Bacterial Communities Divvy up Duties

The Biofilm Life Cycle

Infographic: Stages of Biofilm Formation

Education anatomy and Histological sample Striated (Skeletal) muscle of mammal Tissue under the microscope.

Mechanical Implant Stirs Wasting Muscle Back into Action

Illustration showing an experimental device called MAGENTA and how it works

Infographic: Tissue Implant Gets Muscles Moving, Prevents Atrophy

Illustration of newly discovered mechanism allowing kinesin to “walk” down a microtubule. A green kinesin molecule with an attached yellow fluorophore is shown passing through a blue laser as it rotates step by step along a red and purple microtubule, fueled by blue ATP molecules that are hydrolyzed into orange ADP and phosphate groups.

High-Resolution Microscope Watches Proteins Strut Their Stuff

Artist’s rendition of red SARS-CoV-2 coronaviruses floating near blue strands of DNA.

COVID-19 Infections May Reshape Genetic Landscape

Fluorescent image of breast tissue

Hormone Therapy Triggers Male Gene Patterns in Transgender Men’s Cells

Artistic rendition of droplet DNA amplification

Finally, Scientists Sequence Single Cells with Long-Read Technology

Histological image of ccRCC

Mutational Signature Indicates Risk of Kidney Cancer Recurrence

Structure of a Chlamydomonas, green algae

Drugs Hitch a Ride on Algae for Targeted Delivery

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3D illustration of a gold lipid nanoparticle with pink nucleic acid inside of it. Purple and teal spikes stick out from the lipid bilayer representing polyethylene glycol.
February 2025, Issue 1

A Nanoparticle Delivery System for Gene Therapy

A reimagined lipid vehicle for nucleic acids could overcome the limitations of current vectors.

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Considerations for Cell-Based Assays in Immuno-Oncology Research

Considerations for Cell-Based Assays in Immuno-Oncology Research

An illustration of animal and tree silhouettes.

From Water Bears to Grizzly Bears: Unusual Animal Models

Sex Differences in Neurological Research

Sex Differences in Neurological Research

New Frontiers in Vaccine Development

New Frontiers in Vaccine Development

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Tecan introduces Veya: bringing digital, scalable automation to labs worldwide

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Inventia Life Science Launches RASTRUM™ Allegro to Revolutionize High-Throughput 3D Cell Culture for Drug Discovery and Disease Research

An illustration of differently shaped viruses.

Detecting Novel Viruses Using a Comprehensive Enrichment Panel

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Zymo Research Launches Microbiome Grant to Support Innovation in Microbial Sciences