Glowing Sharks

Lions and tigers and glowing sharks, oh my? This is Sandra Tsing Loh with the Loh Down on Science, saying: We’re gonna need a bigger boat! Lots of ocean-dwelling animals glow. Biofluorescence allows a marine animal–say, a shark–to take in light and convert it to a different color. What color?

50 Shades of Blue

Wearing one red sock and one blue sock today? That’s what you get for dressing in the dark! Sort of. This is Sandra Tsing Loh with The Loh Down on Science. Think of vision as a series of brain cells turning each other on. Not so much romantically, as literally.

Rainbow Bacteria

Can you paint with all the colors of…BACTERIA? This is Sandra Tsing Loh with the Loh Down on Science. Bacteria come in all shapes, sizes and colors, just like people. Controlling these colors could give us the best shade for new shoes.. But how are bacterial colors controlled? Scientists at

50 Shades of Yellow

A rose is a rose is a rose, right? This is Sandra Tsing Loh with the Loh Down on Science, saying: Except when it’s yellow! Roses aside, University of York researchers have discovered something very strange about that color. People’s perception of it changes from winter to summer! As part

Not Fade Away

Let’s talk turkey – about laundry? This is Sandra Tsing Loh with the Loh Down on Science. Our clothes are colored with dyes that work by absorbing light. That is, they soak UP certain colors, and reflect BACK the ones we see. But sadly, pigments aren’t permanent. After a few