Even if we say we prefer good news, we're wired to pay more attention to bad news. And while it might feel like the world is becoming a more scary, dangerous place, many things are actually better now than ever, and social media might be...

Make a city beautiful, curb corruption. Edi Rama took this deceptively simple path as mayor of Tirana, Albania, where he instilled pride in his citizens by transforming public spaces with colorful designs.

There are three types of color receptors in your eye: red, green and blue. But how do we see the amazing kaleidoscope of other colors that make up our world? Colm Kelleher explains how humans can see everything from auburn to aquamarine.

Nothing says "nature" like a lush green forest. But why are plants green in the first place?

Angelica Dass's photography challenges how we think about skin color and ethnic identity. In this personal talk, hear about the inspiration behind her portrait project, Human_, and her pursuit to document humanity's true colors rather...

Mister Brown and Squeaks learn all about the awesome flamingo - and find out what makes them pink! Next Generation Science Standards Crosscutting Concept: Cause and Effect: Events have causes, sometimes simple, sometimes multifaceted....

You've seen those viral videos of colorblind people putting on special glasses and reacting to colors they've never seen before! Today, we'll explore how colorblindness works and what those glasses try to do to fix it!

A mini-lesson on patterns of change.

Animals and plants come in an amazing variety of shapes, sizes and colors. And in some species, they take it pretty extreme to deal with the battles within and between sexes.

In a few special places around the world, the ocean lights up at night with countless tiny blue flashes thanks to some tiny organisms and science.

The mythical green flash at sunset isn't actually a myth! Stefan explains why it happens, and how you can see it.

If you uncover a bunch of rolly pollies under a log, you don't expect to find a bright blue one crawling among all the usual grays and browns. But it turns out your fun surprise is some very bad luck for that terrestrial isopod.

Black holes are already pretty extreme, but some stand out among their peers, driving cosmic engines that outshines the rest of the galaxy and even serving as birth control for stars!

Once a year, thousands of logicians descend into the desert for Learning Man. At the center of that gathering is the world's most exclusive club, where under the full moon the annual logician's rave takes place. The entry is guarded by...

The science of the multicolored dress.

Why isn't the sky violet?

What scientific thinkers and achievements have led to vast improvements in optics over the centuries? Discover the fascinating ways that our understanding of light informs the world in which we live.

Some fish have superpowers! Zebrafish eyes can boost the color and contrast of what they see and baby whale fish are electric.

Raisins are a sweet, healthy treat, but they have a big secret: they start out as grapes! And the story of how they go from big, juicy grapes to little, chewy raisins is super cool!

Physicist Werner Heisenberg said, "When I meet God, I am going to ask him two questions: why relativity? And why turbulence? I really believe he will have an answer for the first." As difficult as turbulence is to understand...

Talk Show: Henry Reich, Fluorescence, and a Half-moon Conure

Sam the Bat noticed that some stars are different colors, so Mister Brown teaches him about what colors stars can be, and what all the colors mean! Next Generation Science Standards Crosscutting Concepts: Patterns: Observed patterns in...

They’re pretty to look at, sure -- but the changing leaves you see in autumn are really a striking example of nature taking extreme measures to protect itself.

Lots of animals can change the color of their skin, but there's nothing quite like the chameleon sand tilefish, which can change its appearance in an instant and flash the colors of the rainbow.