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Skeptoid

Skeptoid #142: Student Questions: Sugary Behavior, Secondhand Smoke, and Wal-Mart

Skeptoid

Brian Dunning

Skeptic, Social Sciences, Skepticism, Paranormal, Conspiracy Theories, Urban Legends, Science, History

4.63K Ratings

🗓️ 24 February 2009

⏱️ 17 minutes

🧾️ Download transcript

Summary

Answering more questions sent in by students.

Transcript

Click on a timestamp to play from that location

0:00.0

Why does carbon dating work?

0:05.8

I mean, there are reasonable objections that have been proposed.

0:09.6

Nuclear testing changed the ratio of carbon 12 to carbon 14.

0:14.2

Carbon has come and gone in and out of the carbon cycle for as long as the planet has existed.

0:19.3

And who's to say the rate of carbon decay has always been a constant?

0:24.0

This is just one of several student questions we're answering today.

0:29.2

Right here, UnSkeptoid.

0:37.1

Hey everyone, Brian here.

0:38.7

A quick favor.

0:39.9

We're conducting an audience survey.

0:42.4

We'd be really grateful if you could take just a few minutes and answer our survey.

0:46.7

This is the kind of thing that's sort of an engineering and marketing necessity

0:49.9

to make the whole free podcast ecosystem flourish.

0:53.6

So please check it out.

0:55.2

Also, surveys are fun.

0:56.6

You get to talk about yourself.

0:58.4

Please visit survey.prx.org-skeptoid to take the survey today.

1:05.7

That's survey.prx.org-sk-e-p-t-o-i-d.

1:13.6

Thanks.

1:28.4

And Walmart.

1:30.4

Today we're giving some more quick answers to questions sent in by students.

1:34.4

Any student anywhere is welcome to ask anything about a current popular misconception.

...

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