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Determining the True Scale of COVID-19 Casualties
The true scale of COVID-19 casualties is far more complex than official death tolls suggest. While U.S. death…
Counting Calories—the Proper Way
Calorie counts on food labels are more of an estimate than an exact science. Based on outdated research…
The Man Who Studied Infinity
By proving that some infinities are larger than others, Georg Cantor revolutionized mathematics—introducing the idea of countable and…
What To Look For In 4-Billion-Year-Old Rock
Ultra-durable crystals called zircons, found in ancient rocks, preserve chemical clues that date back over 4 billion years—revealing…
Proving to the Internet That You Are Real
The creators of Howtown were repeatedly accused of being AI-generated, highlighting a growing challenge where human-made content is…
The True HIstory of Earth’s Continents
A new plate tectonic model spans 1.8 billion years, reconstructing ancient supercontinents like Rodinia and Nuna with tools…
Holograms—No, Really
Unlike a photograph, a hologram encodes the full light field of a scene—including phase information—allowing it to recreate…
Measuring the True Scale of the Universe, Part 2
Early astronomers used planetary transits and parallax to calculate distances in the solar system and beyond—laying the foundation…
Measuring the True Scale of the Universe, Part 1
Starting with Eratosthenes’ clever calculation of Earth’s circumference using shadows and wells, early astronomers used geometric reasoning and…
Testing the Wave-Particle Duality of Light
After years of favoring the particle theory based on Feynman’s QED, some hands-on experiments led the presenter to…