Rebecca Reczek - Do Healthy Diets Make Empty Wallets? How Consumer Beliefs Shape Food Choice

01/21/18 • 60 min

Consumers have many lay beliefs about how the world works. But are these beliefs always correct? Reczek explains how our non-professional theories about food, including the relationships between health and taste; and cost and health, drive our food choices that can sometimes lead us away from making healthy decisions.

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Joe Lykken - Particle Physics: New Research Frontiers

Particle physics, the quest to understand the smallest objects in the universe, depends on operating powerful colliders, like those at Fermilab and CERN. Surprisingly, the answers we get also shed light on the largest objects, such as the universe itself. Lykken outlines deep theoretical questions, exciting experimental programs and how they connect.

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Matt Kahle - Archimedes: Mathematical Superhero of the Ancient World

Archimedes — remarkable physicist, engineer, inventor, astronomer — built a heat ray to burn attacking ships’ sails; designed machines predicting motions of planets and eclipses; estimated how many grains of sand it would take to fill the universe. Kahle discusses a few of these amazing inventions and insights, including one that anticipated calculus by thousands of years.