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September 4, 2025

Walking the DOGE? They may leave a mess for you: a government purse with no watchdogs and lack of medical research.

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Back in February I wrote this post and have updated it today as we start the Fall term and I just taught the first class of Science of Visio...
September 25, 2024

Human Guinea Pigs, the people paid to safety test potential new drugs are not really volunteers without pressure.

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The first testing of a drug to be approved in Canada, or in the US by the FDA, or for the EU's drug agency, requires giving the drug at ...
April 10, 2024

Solar Eclipse Safely, from a Vision Scientist.

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 Now we are post-eclipse. If you or anyone you know is noticing a new difficulty reading with their central vision today (Wednesday, two day...
March 26, 2024

How to Watch the Solar Eclipse Safely, from a Vision Scientist.

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I wrote about this during the last eclipse in 2017, now its time to update for this April 2024.  How can you watch the solar eclipse without...
February 20, 2024

The Science Rant's Most Read Post of the last 12 months is from 2018: Hockey Pucks and Locks for Classroom Doors

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  By far, the most-read post in The Science Rant  over the last several months into 2024, and over the entire existence of this blog, contin...
February 16, 2024

COVID-19 Vaccine has performed well against recent variants so far this season.

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 The CDC reports that the current updated COVID-19 vaccine has performed well against strains of the virus so far this Fall and Winter (2023...