Before you buy a new T-shirt, here are 8 things to know.

They're totally comfortable, always fashionable ... and not super-sustainable.

It's one of the most famous — and ubiquitous — articles of clothing in modern history. So much so that you're probably wearing one right now.

It's the mighty T-shirt, and though it may seem simple and unassuming, there's quite the story in its humble threads. So, in honor of T-shirt weather, here are nine important things — good and bad — that you might want to know about this beloved article of clothing.

1. F. Scott Fitzgerald — you know, the author of "The Great Gatsby" — is credited with naming the T-shirt.

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It could be said that the only thing Americans love more than cars is making robots to build them.

The American auto industry was the largest in the world until the 1980s, when it was overtaken by Japan. America now has the second-largest automobile industry by volume.

For the most part, we should be thanking car-building robots for that.

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The sea is filling fast with garbage, but there are 3 things the world can do to stop it.

Some very smart people have some very smart plans to fix this.

As the saying goes, there are plenty of fish in the sea.

This is a sea bream (Diplodus Vulgaris) fish. Photo by Emily Irving-Swift/AFP/Getty Images.

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