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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 pair of hands hold up a red clock on a blue background.

Speeding Up Perceived Time May Make Wounds Heal Faster

A slow-ticking clock may increase the time it takes for your body to heal, claims a new study. The psychology research involved a complex and deceptive experiment in which participants were tricked into perceiving time differently
A woman scratching her arm.

What Is Scabies?

Scabies is a skin condition caused by a parasitic infestation in which mites work their way into the skin. Here, they lay eggs, causing a rash and intense itching.
A child on a bed holding their stomach in pain.

Trial Targets the Vagus Nerve as a Treatment for Ulcerative Colitis

A new study published in Bioelectronic Medicine has investigated vagus nerve stimulation (VNS) as a new treatment for Crohn’s disease and ulcerative colitis.

Brain cells highlighted in red.

Full Atlas of the Mammalian Brain Reveals Unique Structure of Ancient Regions

A world-first cell atlas has opened a window into the complexity of the mammalian brain. The map details more than 5,000 cell-type clusters in the mouse brain and marks out their location.
A sample of lab-grown psychedelic mushrooms.

Magic Mushroom Genomes Reveal Route to “Designer” Fungi

A community-led study has revealed a trove of genomic data for over 100 cultivars of “magic” mushrooms. The research details how domestication has reduced the genetic diversity of the mushroom.
A woman forming the shape of a heart with her hands.

Bacterial Vaginosis: Vaginal Microbes’ Attack Linked to Serious Health Outcomes

Bacterial vaginosis, like many women’s health conditions, has a serious but underappreciated impact. In vaginosis, the vagina’s natural microbiome – the community of microorganisms that call it home – becomes disrupted. The condition remained poorly understood – until now.
A chinstrap penguin standing on a rock.

Chinstrap Penguins Survive on 10,000 Four-Second Naps Every Day

A study has found that chinstrap penguins sleep through thousands of short snoozes, each only a few seconds long.
A young man's face.

Device Lets Blind People “Hear” Facial Features

Facial recognition is essential to socializing. A new study used a device that reshapes images into sound signals to let blind people “see” facial features. The results have shed new light on the brain areas used to identify and process faces.

A hand wrapped in a measuring tape.

Obesity Study Identifies People Who Remain a Healthy Weight Through Life

A study has taken a novel approach to understanding why some individuals are more susceptible to weight gain, regardless of their genetic predisposition to obesity.
A woman's sleeping in a bed with grey sheets.

Obesity Linked to Burning Less Energy During Daytime

A new study has shown that body weight significantly impacts the timing and manner in which the human body burns energy. This research could offer new insights into understanding and managing obesity.