One day, coffee is good for you; the next, it’s not. And it seems that everything you eat is linked to cancer, according to research. But scientific studies are not always accurate. Insufficient data, biased measurements, or a faulty analysis can trip them up. And that’s why scientists are always skeptical.

Hear one academic say that more than half of all published results are wrong, but that science still remains the best tool we have for learning about nature.

Also, a cosmologist points to reasons why science can never give us all the answers.

And why the heck are scientists so keen to put a damper on spontaneous combustion?

Studies discussed in this episode:

Chocolate and red wine aren’t good for you after all

The Moon is younger than we thought

Guests:

John Ioannidis – Professor of medicine, health research and policy, and statistics, and co-director of the Meta-Research Innovation Center at Stanford University. His paper, “Why Most Published Research Findings are False,” was published in PLoS Medicine.
Marcelo Gleiser – Physicist and astronomer at Dartmouth College, author of The Island of Knowledge: The Limits of Science and the Search for Meaning
Joe Schwarcz – – Professor of chemistry and Director of the Office for Science and Society, McGill University, Montreal and author of Is That a Fact?: Frauds, Quacks, and the Real Science of Everyday Life

First released June 16, 2014.

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