SciShow Tangents

Darkness

Jan 23, 2024

This podcast delves into the darkness of the ocean and space, with a fun quiz on the winter solstice. They also discuss the myth of carrots improving night vision, unique burial choices, and the history of fecal sludge management.

41:11

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Quick takeaways

Carrots don't enhance night vision, but improve eye health.

Dogs misbehave more in the dark to avoid theft.

Deep dives

Carrots' Night Vision Claim Debunked

Carrots are often associated with aiding night vision, a myth debunked. While carrots contain vitamin A beneficial for eye health, they do not specifically enhance night vision. The belief may have origins from World War II propaganda attributing carrots to improving night vision of pilots and soldiers. However, carrots' vitamin A content supports general eye health, not exceptional night vision.

Intro

4min

Frozen Food, Universe Voids, Darkness, and Winter Solstice Quiz

15min

Contemplating Burial Choices and Personal Belongings

2min

The Last Tape Measure, Solar Quiz, Zodiac Signs, and Solstice Study

7min

Game Show Segment and Fact-Off

5min

Debunking the Carrots and Night Vision Myth

11min

Exploring the History of Fecal Sludge Management and Euphemisms

4min

The question plaguing us this episode is, how dark can it really get? Turns out (according to some), not that dark! Unless you're at the bottom of the ocean or floating in the all too-eerie void of deep space, you're always gonna have some photons hitting your face. (I'm pretty sure I accidentally stole this rhyme right out of Hank's poem, but you'll just have to listen to know for sure...)

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While you're at it, check out the Tangents crew on Twitter: Ceri: @ceriley Sam: @im_sam_schultz Hank: @hankgreen

[The Gauntlet]

Next December 23rd winter solstice

SOLAR spacecraft went down

Reorientation of sun instrument

23.5°S latitude alternate name

Tapetum lucidum color

Hormone in darkness

Famous winter solstice sunlight site

[Trivia Question]