Photograph of Stephanie DeMarco. She has brown hair and blue eyes and is smiling at the camera.

Stephanie DeMarco, PhD

Managing Editor at The Scientist

Stephanie earned her PhD in Molecular Biology from the University of California, Los Angeles in 2019 where she studied parasitology and microbiology. She was an editor at Drug Discovery News from 2021 to 2025 where she spearheaded the podcast program and led the editorial team. She joined The Scientist as the Managing Editor in 2025. Her work has appeared in Discover Magazine, Quanta Magazine, and the Los Angeles Times among others.

Award

AAAS Mass Media Fellowship 2019

Articles by Stephanie DeMarco, PhD

An African spitting cobra (Naja mossambica) sits up in a striking position.

Mambas, Cobras, and Rinkhals Beware! New Antivenom Targets 17 Deadly Snakes

A big bowl of cacio e pepe sits in the center of a table surrounded by empty pasta bowls waiting to be filled.

The Secret to a Smooth Pasta Sauce Wins Ig Nobel Prize

Polarized light shines through a crystal with a particular chirality.

Mirror Microbes Could End All Life on Earth. How Do We Stop Them?

A view of what early Earth could have looked like with cliffs and pools of water where life may have originated.

RNA and Sulfur Compounds Possibly Created the First Peptides on Earth

A microscope image of the brain’s immune cells called microglia are shown.

Microglia Get Exhausted in Alzheimer’s Disease

The human parasitic worm, Trichuris trichiura, is shown in its embryonic form in an egg, in this microscope image.

How Whipworms Tunnel Through the Gut

A man with dark hair wears a blue shirt with his arms crossed as he leans against the wall of a slot canyon.

Hearing Loss May Be the Canary in the Coal Mine for Dementia

Cancerous growths in pink are shown on a red surface.

First Use of Click Chemistry in Humans Safely Treats Cancer

A boy holds his mom’s hand while playing hopscotch in the park.

Coenzyme Q10 Precursors Reverse Motor Decline in a Young Patient

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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