Today we've got another student questions episode.

This week we've got questions about theories versus hypotheses, the FDA, the destruction

of the Georgia Guidestones, the test tube baby company Ectolife, tachyons that move faster

than the speed of light, doctors selling woo, the flat earth, and the ethics of paranormal

tourism.

And all of that is coming up right now on Skeptoid.

You're listening to Skeptoid.

I'm Brian Dunning from Skeptoid.com.

Student questions, guide stones, and tachyons.

Welcome to another student questions episode in which people send in their questions from

all over the world, and I do my best to give them all a miniature Skeptoid treatment.

You might notice today that not all of our questions come from students.

In fact in what might be a first I don't think any of them are from students, but that's

okay.

For a long time these episodes have been open to anyone.

Students of life, students of the school of hard knocks, whoever, regardless they're

always fun.

Without further ado, let's dive right into our first question.

Hi Brian, I'm Diane from Oregon, retired science teacher and lifelong student.

I'm curious as to why you use the terms theory and hypothesis interchangeably.

I know that in common usage theory means a working explanation for which more evidence

is needed, but that's not what it means in science.

...