Introducing a Series on Vaccine Misinformation and Science Denial @BobtheScienceGuy

Uploaded January 2023 | Updated September 2026, 3 weeks ago

A brief announcement introduces a planned series examining major sources of vaccine misinformation and health-related science denial. The project is framed around expert discussion of cancer, infectious disease, vaccination, essential-oil claims, vitamins, nutrition, and the real-world consequences of medical misinformation.

Introducing a Series on Vaccine Misinformation and Science Denial

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Greek Astronomy | Putting it all Together

$Four Independent Ways to Measure Earth’s Radius Earth’s radius can be checked with independent methods that rely on different observations. This video compares Eratosthenes shadow geometry, Al-Biruni’s horizon-dip method, hidden-height measurements with refraction corrections, and great-circle distances calculated with the Haversine formula, showing that the results converge on the same physical scale.$