I had the pleasure of being contacted by Reuters Fact Check last week, with a demand that I explain and justify a headline on a story I wrote about COVID vaccines. I immediately started laughing

Principia Scientific (PSI) is back! We had a week offline due to a malware infection and needed to hire an expert developer to fix the issue. Our heartfelt thanks to all who contacted us to share their concerns.

What if a fast, simple, sensitive, and inexpensive test for fentanyl contamination was widely available?

This is the second of two articles highlighting the sheer hypocrisy and double-standards of those who claim to be trying to ‘save the planet’

In America, Prof Jay Bhattacharya, the lockdown sceptic once derided by NIH chief Francis Collins as a “fringe epidemiologist”, is about to take over as NIH head in truly sweet karma

The White House issued the following press release in response to CNN “fact checkers.”

During the “By the Way” segment on Friday’s CBS Mornings Plus, CBS environmental correspondent David Schechter decried the Trump Environmental Protection Agency (EPA) under Administrator Lee Zeldin by giving away the game on the climate alarmists by reupping a line that’s been deployed for at least five decades, which is we have “less than ten years” to save Earth from climate change. [emphasis, links added]

The study titled, Efficacy of vitamin D replacement therapy on 28 cases of myalgic encephalomyelitis/chronic fatigue syndrome after COVID-19 vaccination, was recently published in Nutrition:

Growing up in the 1980s and 1990s, I recall vividly how the mainstream media relentlessly portrayed acid rain as a catastrophic threat.

On March 21, 2025, the Science of Climate Change journal published a ground-breaking study using AI (Grok-3) to debunk the man-made climate crisis narrative. Click on the link below for the paper titled: A Critical Reassessment of the Anthropogenic CO2-Global Warming Hypothesis:

The study titled, The assumption of safety is being used to justify the rollout of 5G technologies, published in Frontiers in Public Health, reviews the existing safety literature of fifth-generation (5G) wireless communication technology:

The header image shows the monthly atmospheric CO2 concentration measured at the Mauna Loa Observatory, Hawaii, Latitude19.5E N, Longitude 155E W, elevation 3397m, for the 67 year period from March 1958 to February 2025

There is a large cyclone swirling viciously just to the east of my home town of Brisbane. It is edging westward, on course to collide with so much that I love

Vitamin D is increasingly seen as vital in better health outcomes. A study titled, The Big Vitamin D Mistake, published in the Journal of Preventive Medicine & Public Health, reported the following:

Kemi Badenoch said she will task shadow ministers with finding “achievable solutions” to delivering cheap, ‘clean’ energy after declaring that reaching ‘net zero’ by 2050 is “impossible”

Why examine the role of the CIA in the rise of the global Heroin trade?  Three reasons-