cognitive-bias

In 1981, Tversky and Kahneman showed that identical outcomes produce opposite choices depending on wording. The Asian disease problem revealed how framing drives decisions — not logic.

The Dunning-Kruger effect is widely misquoted. The 1999 Cornell study found something real but narrower than the famous 'peak of Mount Stupid' curve suggests.

In 1990, Marilyn vos Savant's correct answer to the Monty Hall problem drew 10,000 angry letters from PhDs. Here's why she was right, why the math is counterintuitive, and what it reveals about human reasoning.

The human brain evolved to grasp linear change. Exponential growth — doubling, tripling, compounding — reliably fools us. This one cognitive blind spot shapes pandemics, wealth, technology, and climate change.

People remember Nelson Mandela dying in prison, the Berenstein Bears (not Berenstain), and Pikachu's tail tip being black. The "Mandela effect" — but it's memory, not a multiverse glitch.