The Scientist

The Scientist is a specialized magazine designed for professionals in the life sciences field. It features articles on newly released research studies, ongoing investigations, methodologies, and various other topics that are relevant to its audience.

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How Augmented Reality is Advancing Brain and Mental Health Treatment | The Scientist

1 month ago | the-scientist.com | Shelby Bradford

Overlaying reality with simulations advances research and interventions in human behavior and neurodegenerative disorders.
Gut Bacteria Boost Levels of Sex Hormones with the Help of Flatulence

Jan 22, 2025 | the-scientist.com | Sahana Sitaraman

The intestines provide a smorgasbord of nutrients for gut bacteria. Other than ingested food, glucocorticoids in bile are a significant substrate for microbes. Bacteria can convert these steroids into various metabolites that affect host systems.1 In a study published recently in Cell, researchers showed that some gut bacteria can produce sex hormones, including progestins.2 Researchers have previously shown that progestins regulate the menstrual cycle and pregnancy, and alter neuronal activity.
Why do Humans Have Long Scalp Hair? | The Scientist

Jan 22, 2025 | the-scientist.com | Sahana Sitaraman

Humans are the only mammals with long hair on their heads. Scientists look into what drives this unique feature.
Understanding the Language of Brain-Muscle Crosstalk

Jan 21, 2025 | the-scientist.com | Sneha Khedkar

Scientists identify a signaling pathway that triggers muscle fatigue in response to nervous system inflammation or infections like SARS-CoV-2. In 2020, as the COVID-19 pandemic escalated, many universities shut down or reduced the capacities of research laboratories in an attempt to limit the spread of the virus. At Washington University School of Medicine in St. Louis, developmental biologist Aaron Johnson was permitted one person in his lab to keep things running.
PFAS Exposure and Health Effects

Jan 20, 2025 | the-scientist.com | Priyom Bose

PFAS constitute a large group of synthetic chemicals resistant to oxidation and thermal degradation and exhibit water-repellent properties. These chemicals have been used widely in varied consumer products and industries, entering the environment and persisting as contaminants in water, air, and soil for a prolonged period.
Postdocs Who Publish Hit Papers Are More Likely to Stay and Succeed in Academia

Jan 20, 2025 | the-scientist.com | Sneha Khedkar

Apostdoctoral position is often considered the first stepping stone to a career in academia. According to recent surveys, many postdoctoral scholars feel disenchanted and stressed, eventually leaving academia.1,2 But the situation is not universal. Some postdoctoral scholars go on to become successful academic researchers. Such widely opposite career trajectories led researchers to wonder what sets the two groups apart.
Why Does Geosmin Smell?

Jan 18, 2025 | the-scientist.com | Connor Lynch |Deanna Elise MacNeil

There are few surer heralds of spring than petrichor. It’s the earthy aroma that wafts up after a good rain and comes primarily from chemical compounds called terpenes. Geosmin, for example, is a terpene most commonly associated with Streptomyces bacteria, although other bacteria and fungi also make it, and it’s found in soils and bodies of fresh water the world over. Its ubiquity has long fascinated scientists—not least because it hasn’t been clear why its various producers make it.
Study Reveals a Link Between Herpes Virus, Head Injuries, and Alzheimer’s Disease | The Scientist Magazine®

Jan 15, 2025 | the-scientist.com | Rebecca Roberts

Lab-grown mini-brains help scientists explore how concussions reactivate latent viral infections, triggering molecular phenotypes of dementia.
An Exosome Protein Sets the Stage for a Cancer Biomarker

Jan 15, 2025 | the-scientist.com | Shelby Bradford

Cellular communication is vital for passing information to neighboring cells. One key messenger in this process is an exosome, a nanosized particle that buds off from a progenitor cell, carrying molecular cargo. Because these small, cellular vehicles carry contents from their parent cells, exosomes can serve as snapshots for a given population of cells, including tumors.
Zeroing In on the Causes of Endometriosis

Jan 14, 2025 | the-scientist.com | Danielle M. Gerhard

Endometriosis affects nearly one in 10 women of reproductive age and is marked by the growth of uterine-like tissue outside of the organ, causing severe pelvic pain and infertility. With no cure for endometriosis, treatments are limited to pain relivers, hormonal contraceptives and agonists, and surgery. However, these can lead to menopausal symptoms and bone density loss, and surgery has a high relapse rate.