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RJ Mackenzie profile page

Freelance Science Writer & Journalist

RJ is a freelance science writer based in Glasgow. He covers biological and biomedical science, with a focus on the complexities and curiosities of the brain and emerging AI technologies. RJ was a science writer at Technology Networks for six years, where he also worked on the site’s SEO and editorial AI strategies. He created the site’s podcast, Opinionated Science, in 2020. RJ has a Master’s degree in Clinical Neurosciences from the University of Cambridge.

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Published Content
Total: 611
A view of the Milky Way above a mountain range.

"Missing Law of Nature" Proposes How Stars and Minerals “Evolve” Over Time

An interdisciplinary study, drawing on expertise from fields including philosophy of science, astrobiology, data science, mineralogy and theoretical physics, has identified a previously overlooked aspect of Darwin’s theory of evolution.
A woman poised to run at a racetrack.

Exercise Benefits Mental Health Like Antidepressants – But Can Participants Keep It Up?

A study conducted at Vrije University, Amsterdam, has compared the effects of antidepressants and running on individuals experiencing anxiety and depression.
A plot of colored cells.

World-First Human Brain Atlas Reveals New Cell Types

A research consortium has published a flurry of papers detailing a “major step forward” in our knowledge of the human brain. The project includes a draft genomic atlas of the brain that authors say could boost neuroscience much as the human genome project advanced genomics.
A view of Los Angeles at night.

More Nighttime Light Linked to Depression and Anxiety

Increased nighttime light exposure is linked to poor mental health outcomes, while increased daytime light has the opposite effect, finds a new study.

A DNA helix.

Organism Found in University Pond Rewrites the Rules of DNA

Scientists at the Earlham Institute and the University of Oxford have stumbled upon a discovery that alters our understanding of genetic coding. The finding emerged during tests of a novel method of single-cell DNA sequencing.
A pill bottle in front of a psychedelic design.

The Power of Placebo in Psychedelic Trials

Ketamine is increasingly used as an antidepressant. A new clinical trial suggests the drug's effects may be may be placebo-based. In this article, we explore what that means for the drug's rollout for ketamine and psychedelic research.
A purple flower with pollen showing.

Hygiene Hypothesis Study Suggests More Microbes Might Not Be the Answer to Allergies

A new study has raised a “warning” that the hygiene hypothesis, which suggests exposure to a diversity of microbes in early life can protect against allergies by strengthening the immune system, might not capture the whole picture of why these inappropriate immune responses are on the rise.
A octopus's suckers under red light.

Scientists Show Off Drug Delivery System Inspired by Octopus Suckers

A new drug delivery system based on the suckers lining octopuses’ tentacles has been shown off in a new study.
Spatial Transcriptomics

Milestones in Spatial Transcriptomics

In this infographic, we explore the milestones that led to the spatial transcriptomics techniques of today, beginning decades before the genomic revolution.
A Caribbean box jellyfish

Jellyfish Have No Brain But Are Able To Learn From Experience

New research shows for the first time that despite lacking a central brain, jellyfish can still learn from their environment and change their behavior accordingly. The study is published in Current Biology.