Watts Up Doc?

Can’t fall asleep without the comforting glow of your devices? This is Sandra Tsing Loh with the Loh Down on Science. Cue record scratch GIF—sleeping with lights on is linked to diabetes and obesity! Why? Ivy Mason and team from Northwestern University had ten participants sleep one night in near-darkness,

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Molecules on the Move

I see the light! This is Sandra Tsing Loh with the Loh Down on Science. Treating disease can be like a shot in the dark. If only we could see better. How can we brighten things up? Enter, Lila Halpers and team at the University of California, Irvine. They looked

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Green with Energy

Hm—how truly green ARE those green LED’s? This is Sandra Tsing Loh with the Loh Down on Science. Computers, phones, lamps – our world runs on LEDs! But so much electricity! And to make colors, red, blue, and green lights have to be combined, via an energy-sapping color filter. D.J.

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Hello Darkness My Old Friend

Lights out! You’re killing the ocean VIBES, man! This is Sandra Tsing Loh with the Loh Down on Science. And by VIBES, I mean HABITAT. Beachfront development brings more artificial light to coastlines. This can disrupt animal mating and migration, especially at night. Sea turtle hatchlings emerge from the nest

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Blue Light Battle

Time for bed … but first, just ONE MORE TikTok video! This is Sandra Tsing Loh with the Loh Down on Science.  Blue light naturally comes from the sun. But modern humans have developed EXTRA exposure! Think artificial light sources like LED lights, tablets and cell phone screens! How do

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Sweat it Out!

Bulb light on

America runs on…sweat? This is Sandra Tsing Loh with the Loh Down on Science. A morning run – so invigorating! The feeling of sweat rolling down your back? Yuck! But can sweat be useful? Xueping Zhang and colleagues from the National University of Singapore had a “dry idea!” The team

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Lights Out

Don’t even THINK about unplugging my night light! I’ll get scared!  This is Sandra Tsing Loh with the Loh Down on Science… saying… Light can affect our mood for sure. But what exactly happens in our brains when we see light?  Shai Sabbah and team from University of Pittsburgh wondered.

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Watts Up Doc?

Can’t fall asleep without the TV on? This is Sandra Tsing Loh with the Loh Down on Science. Your eyelids are drooping as you TRY to binge just one more Stranger Things episode. Unfortunately, studies show that sleeping with lights on is linked to diabetes and obesity….. But HOW? Ivy

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Blue Light Battle

Time for bed … but first, just ONE MORE TikTok video! This is Sandra Tsing Loh with the Loh Down on Science.  Blue light naturally comes from the sun. But modern humans have developed EXTRA exposure! Think artificial light sources like LED lights, tablets and cell phone screens! How do

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Amazing Sight

Up-close black and white image of an adult man

Amazing Grace, how sweet the…sight?!  This is Sandra Tsing Loh with the Loh Down on Science. When light enters the eyes, the light-sensitive cells send signals to the brain. Let there be sight! But the disease Retinitis Pigmentosa, or RP, can cause loss of vision. José-Alain Sahel at Sorbonne University,

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