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clock-iconPUBLISHEDJune 23, 2025
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IFLScience We Have Questions: Why Does Snow Sometimes Look Blue?

Snow is quite famous for appearing white – but it's not always that way.

Rachael Funnell headshot

Rachael Funnell

Rachael has a degree in Zoology from the University of Southampton, and specializes in animal behavior, evolution, palaeontology, and the environment.

Senior Science Writer

Rachael has a degree in Zoology from the University of Southampton, and specializes in animal behavior, evolution, palaeontology, and the environment.View full profile

Rachael has a degree in Zoology from the University of Southampton, and specializes in animal behavior, evolution, palaeontology, and the environment.

View full profile
Episode 10 of We Have Questions playing on a smartphone, against a snow-covered background

Episode 10 of We Have Questions.

Image credit: Andrei Stepanov/innakreativ/Leigh Prather/Macrovector/Shutterstock.com; modified by IFLScience

Snow is beautiful, but also powerful and destructive – and, if we’re honest, a bit confusing. For something made entirely of water, it can come in many forms: light and fluffy, sticky and heavy, shaped like a perfect snowflake, or falling in needle-like flecks. Its consistency changes a lot, but so does its color, which got us wondering: why does snow sometimes look blue? 

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To find out, we reached out to Dr Andrew Schwartz at the UC Berkeley Central Sierra Snow Lab in California. These researchers are no strangers to snow – and we were delighted to learn that yes, their research sometimes does involve just frolicking in the stuff.

You can listen to this episode and subscribe to the podcast on all your favorite podcast apps: Apple Podcasts, Spotify, Podbean, Amazon Music, and more.

This interview first appeared in Issue 29 of our digital magazine CURIOUS.


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