You're listening to TED Talks Daily, where we bring you new ideas to spark your curiosity every day.

I'm your host, Elise Hugh.

Cherry blossoms and rainbows, bubbles and googly eyes.

Why do some things seem to create such universal joy?

I know what joy feels like, but what is it exactly?

And I found that even scientists don't always agree, and they sometimes use the words joy and

happiness and positivity, more or less interchangeably.

Best designer and author, Ingrid Fettel Lee, from her captivating talk from 2018,

which we're excited to share again here today.

I started asking everyone I knew and even people I just met on the street about the things that brought them joy.

It was, hi, nice to meet you. What brings you joy?

Through the story of this detective work, Ingrid reveals what she learned about the surprisingly tangible roots of joy and shows how we can all find and create more of it in the world around us.

That's coming up right after a short break.

And now our TED Talk of the Day.

It's 2008, and I'm just finishing my first year of design school.

And I'm at my first year-end review, which is a form of ritual torture for design students,

where they make you take everything you made over the course of the year

and lay it out on a table and stand next to it,

while a bunch of professors, most of whom you've never seen before, give you their unfiltered opinions of it.

So it's my turn, and I'm standing next to my table,

everything neatly lined up, and I'm just hoping that my professors can see

how much effort I've put into making my designs practical

...