SciShow Tangents26 Des 2023

Quiet

Do you hear what I hear? Probably not, because in this episode, we're bringing things down several notches to learn about quiet. Does it have a scientific definition? Is it all just relative? Should crickets have podcasts? Join us as we (ok, maybe not so) quietly contemplate quiet.

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[Truth or Fail]

Larval reef fish bury their heads in the sand to reduce noise

Quieter Bison bulls get more mates

Dolphins quiet their clicks to ambush each other

[Trivia Question]

Loudness of lead singer in Billboard Hot 100 from 1946-2020

https://pubs.aip.org/asa/jel/article/3/4/043201/2885300/Lead-vocal-level-in-recordings-of-popular-music

https://www.eurekalert.org/news-releases/986837

[Fact Off]

Water-based sound suppression systems for rocket launches

https://pubs.aip.org/asa/jasa/article/142/4_Supplement/2489/603382/Sixty-years-of-launch-vehicle-acoustics

https://www.nas.nasa.gov/SC15/demos/demo10.html

https://www.nasa.gov/news-release/space-launch-systems-sound-suppression-system-final-test-at-kennedy/

https://www.sciencedirect.com/science/article/pii/S0022460X23003528

Small tree crickets use leaves to amplify their chirps

[Ask the Science Couch]

Quietest period in history of the Earth (of all time & anthropocene)

https://www.curtin.edu.au/news/media-release/earths-mid-life-crisis-new-research-backs-lull-geologic-record/

https://www.nature.com/articles/s41561-017-0051-y

https://www.sciencedirect.com/science/article/pii/S1342937X13000506?via%3Dihub

https://www.technologyreview.com/2020/07/23/1005574/lockdown-was-the-longest-period-of-quiet-in-human-history/

https://www.science.org/doi/10.1126/science.abd2438

[Butt One More Thing]

Unplanned 9/11 study shows whale poop stress levels associated with ship noise

https://www.washingtonpost.com/national/health-science/unplanned-911-analysis-links-noise-whale-stress/2012/02/14/gIQAmQnlPR_story.html

https://royalsocietypublishing.org/doi/full/10.1098/rspb.2011.2429

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