replication

A short clip of Penn and Teller arguing, in blunt and profane language, for vaccination and against anti-vaccine claims. It covers risk versus benefit and herd immunity.

A short clip from a 1973 NOVA episode in which Richard Feynman recalls his father teaching him that knowing the name of a bird in many languages tells you nothing about the bird.

Thunderf00t critiques the MIT and Berkeley metal-organic framework device that claims to pull water from air using only solar heating. He argues the energy accounting does not work and that such devices are essentially fancy dehumidifiers.

Kurzgesagt addresses whether viewers can trust its videos, describing its research process and how it handles older videos with errors or overstated claims.

Thunderf00t debunks the Waterseer, a crowdfunded device that claims to condense drinking water from the air using cool ground. He argues the physics does not support its claims.

A Thunderf00t video debunking Energy Vault, a gravity-based energy storage scheme that stacks concrete blocks with cranes. He argues it is impractical and compares it to pseudoscience.

Veritasium answers criticism that his videos make people look stupid, explaining that teaching must address learners' misconceptions and that holding common beliefs inconsistent with science is not stupidity.