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Evaluating Sources & Fact Checking: Crash Course Scientific Thinking #6
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Are you eating a credit card’s worth of plastic every week?
Uhh…Probably not.
But if you saw headlines like this, you might worry that you are.
These days, trying to piece together what to believe can feel impossible.
But we can still find reliable, trustworthy answers
as long as we know how to look for them.
Hi, I’m Hank Green, and welcome to Crash Course Scientific Thinking.
[THEME MUSIC]
You probably already know that you shouldn’t
believe everything you read, watch, or hear.
On an internet where everyone is competing both for attention
and to control narratives,
it’s no surprise that there are plenty of distortions,
exaggerations, baseless claims, propaganda, and whatever this is.
But it’s also home to lots of good scientific information too!
So when it comes to something as important as science,
how do we figure out what’s reliable?
Well, it helps to understand how a science story like this
becomes news in the first place.
See, that CNN article isn’t the whole story.
It’s just the part we see, as consumers of science news.
*chomp*
That science news tastes bad!
Think of it like the tip of the iceberg:
there’s a lot more going on below the surface.
CNN got the details from this report by the WWF.
No, not the wrestling group from the 90s,
the World Wide Fund for Nature.
And they got it from a study they commissioned from researchers
at Australia’s University of Newcastle.
Which reported a range of possible amounts of plastic that people might consume in a week –
from a high of 5 grams, all the way down to 0.1 grams.
But the WWF only reported the high end of the range,
saying “An average person could be
ingesting approximately 5 grams of plastic per week.”
About the size of a credit card.
And that technically could be true.
It could be that much.
There's a lot of things that could be true.
It's like when the insurance company says,
“I could save you up to 15 percent or more on your car insurance.”
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