Watch these recommended TED-Ed Lessons

The life cycle of a t-shirt
Consider the classic white t-shirt. Annually, we sell and buy 2 billion t-shirts globally, making it one of the most common garments in the world. But how and where is the average t-shirt made, and what’s its environmental impact? Angel Chang traces the life cycle of a t-shirt.

How blue jeans were invented
Today, 96% of American consumers own at least one pair of jeans. But where did these durable duds come from? And how did they get so popular? Jessica Oreck shares the humble origins of blue jeans.


Additional references

The absurdity of women’s clothing sizes, in one chart - The Washington Post
Here are some numbers that illustrate the insanity of women's clothing sizes: A size 8 dress today is nearly the equivalent of a size 16 dress in 1958. And a size 8 dress of 1958 doesn't even have a modern-day equivalent — the waist and bust measurements of a Mad Men-era 8 come in smaller than today's size 00.

The bizarre history of women's clothing sizes - TIME
One of the most infuriating American pastimes occurs within the confines of a dressing room. But where do these seemingly arbitrary sizes come from? Sit down, unbutton your pants and enjoy a condensed briefing on women’s clothing measurements.