Why is astronomy a science but astrology is not?

Astrology and astronomy were once practiced side by side by scientists like Galileo and Kepler. And they’re more similar than you might think.

Carl Craver, Professor of Philosophy and Philosophy-Neuroscience-Psychology, Arts & Sciences at Washington University in St. Louis • conversation
Dec. 19, 2022 • ~8 min

Nobel Prizes, election outcomes and sports championships – prediction markets try to foresee the future

Buying and selling stocks – with real or play money – is a way to harness the wisdom of the crowd about questions like who is going to win a competition.

Daniel O'Leary, Professor of Accounting and Information Systems, University of Southern California • conversation
Sept. 28, 2022 • ~8 min

What is a margin of error? This statistical tool can help you understand vaccine trials and political polling

Whether you are predicting the outcome of an election or studying how effective a new drug is, there will always be some uncertainty. A margin of error is how statisticians measure that uncertainty.

Ofer Harel, Professor of Statistics, University of Connecticut • conversation
Jan. 6, 2021 • ~5 min

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