Sahana Sitaraman, PhD

Sahana Sitaraman, PhD

Sahana is a science journalist based in Lausanne, Switzerland. She holds a bachelor's degree in microbiology from the University of Delhi, India and a master's and PhD in life sciences from the National Centre for Biological Sciences in Bangalore, India. Sahana enjoys writing about health and neuroscience, mental health and women in STEM. She also dabbles in illustrating findings that tickle her brain.

Articles by Sahana Sitaraman, PhD

A slice of rat brain showing various labelled proteins, such as the neurotransmitters dopamine (yellow) and acetylcholine (magenta).

A New Protein-Labeling Technique to Study Intact Organs

A person scratching an itch on their arm.

Why Do We Scratch an Itch?

A picture of the main building of the National Institutes of Health (NIH).

Freeze on NIH Grant Reviews Leaves Scientists Confused and Frustrated

A woman with long, brown and curly hair, as seen from the back.

Why do Humans Have Long Scalp Hair?

An illustration showing an internal view of the intestine with the gut microbiota.

Gut Bacteria Boost Levels of Sex Hormones with the Help of Flatulence

An image of a nose, an organ which is flexible because of a tissue called lipo-cartilage.

The Discovery of a Fat-Filled Cell Reveals Why Noses Are Springy

A side view of the head of a juvenile Nile crocodile.

Mechanics, Not Genetics, Determine Crocodile Head Scale Patterns

An illustration showing a tumor in a human colon.

Colorectal Tumors are Born When Stem Cells Die

A tick embedded into skin. 

What Makes a Tick Stick?

An illustration showing a DNA strand and a cancer cell. 

How Some Cancer Cells Survive Chemotherapy

An illustration showing reduction in muscle mass and weight from cachexia.

The Neural Circuitry Driving Cancer-Related Wasting Disease

A DNA illustration composed of diverse human figures.

AI-Assisted Genome Studies Are Riddled with Errors

An illustration of malignant cancer cells in pink on a black background.

Data by the Dozen: Consortium Cancer Maps Provide a 3D View of Tumor Evolution

An artistic interpretation of CRISPR genome editing showing the cutting and changing of DNA segments.

A Small Genome Editing Nuclease Packs a Big Punch

Pink cancer cell on a black background. 

Cancer Cells Hijack the Neuron-Glia Connection for Brain Metastasis

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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.

View this Issue
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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Detecting Novel Viruses Using a Comprehensive Enrichment Panel

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