Pectus:

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 Basic overview of pectus excavatum:

https://www.mayoclinic.org/diseases-conditions/pectus-excavatum/symptoms-causes/syc-20355483

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Pectus excavatum has no known cause:

https://www.researchgate.net/publication/331441015_Against_the_Overgrowth_Hypothesis_Shorter_Costal_Cartilage_Lengths_in_Pectus_Excavatum 

https://www.jpedsurg.org/article/S0022-3468(08)00817-8/abstract
 

Pectus carinatum:

https://www.mayoclinic.org/diseases-conditions/pectus-carinatum/symptoms-causes/syc-20355531
 

https://academic.oup.com/icvts/article/17/5/757/706058
 

Pectus tests: 

  https://my.clevelandclinic.org/health/diagnostics/17966-pulmonary-function-testing

Https://en.wikipedia.org/wiki/Echocardiography

  https://en.wikipedia.org/wiki/Medical_ultrasound

 

Ultrasound might make your baby a leftie:

  https://obgyn.onlinelibrary.wiley.com/doi/full/10.1002/uog.9055

 

Nuss and Ravitch:

  https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5056933/

  https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5392896/

 

Chance that after surgery your chest falls back in:

  https://www.swedish.org/services/thoracic-surgery/our-services/pectus-excavatum-surgery

  https://pubmed.ncbi.nlm.nih.gov/12728394/

 

Inheritance of pectus:

  https://pubmed.ncbi.nlm.nih.gov/17011272/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3515755/ 

 

Pectus in hieroglyphics:

  https://www.researchgate.net/publication/270654505_Pectus_excavatum_in_relief_from_Ancient_Egypt_dating_back_to_circa_2400_BC

 

Vacuum bell surgery for pectus:

  https://www.jpedsurg.org/article/S0022-3468(15)00611-9/fulltext

  https://jovs.amegroups.com/article/view/9609/10232

 

Also cats get pectus:

https://www.youtube.com/watch?v=LVGea1gFfNA

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Milk

 

General articles:

  https://www.healthline.com/health/is-milk-bad-for-you#benefits

  https://www.medicalnewstoday.com/articles/milk-is-it-as-healthful-as-we-think#Studies-have-serious-implications

 

Academic reviews:

  https://www.who.int/nutrition/publications/public_health_nut8.pdf (graph of calcium paradox)

  https://academic.oup.com/ajcn/article/105/6/1502/4569778?login=true

 

Peak bone mass:

  https://www.sciencedirect.com/science/article/pii/B9780123820402100097

  https://link.springer.com/article/10.1007/BF01623429

  https://www.sciencedirect.com/topics/nursing-and-health-professions/bone-mass

 

 

Hollow bones:

  https://www.discovery.com/nature/Why-Do-Birds-Have-Hollow-Bones

  https://ucmp.berkeley.edu/science/profiles/wedel_0609.php

 

Bones are 40% calcium:

  https://www.sciencedirect.com/science/article/pii/B9780123705440500318

 

Dairy makes you feel more full subjectively:

  https://www.nature.com/articles/ejcn201352

 

Other foods with calcium:

  https://www.medicalnewstoday.com/articles/322585

  https://www.nof.org/patients/treatment/calciumvitamin-d/a-guide-to-calcium-rich-foods/

 

Oregano and other food measurements data taken from here:

  https://fdc.nal.usda.gov/fdc-app.html#/food-details/171328/nutrients

 

Further reading:

  https://academic.oup.com/ajcn/article/88/2/541S/4650022

  https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3405161/

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Refrigeration

 

Kids getting trapped in refrigerators:

  https://ul.org/standards-and-engagement/standards-matter/helping-prevent-child-entrapment-household

  https://publications.aap.org/pediatrics/article-abstract/22/4/628/74318/BEHAVIOR-OF-YOUNG-CHILDREN-UNDER-CONDITIONS?redirectedFrom=fulltext

  Https://www.gwern.net/docs/technology/1958-bain.pdf

 

History of ice boxes:

  https://americanhistory.si.edu/blog/ice-harvesting-electric-refrigeration

  https://www.mentalfloss.com/article/22407/surprisingly-cool-history-ice

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Thermodynamics:

  https://www.khanacademy.org/science/ap-biology/cellular-energetics/cellular-energy/a/the-laws-of-thermodynamics

  https://opentextbc.ca/chemistry/chapter/16-3-the-second-and-third-laws-of-thermodynamics/

 https://chem.libretexts.org/Bookshelves/Physical_and_Theoretical_Chemistry_Textbook_Maps/Supplemental_Modules_(Physical_and_Theoretical_Chemistry)/Thermodynamics/The_Four_Laws_of_Thermodynamics

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Overview of refrigeration cycle:

  https://www.compressorsunlimited.com/blog/how-a-refrigeration-compressor-works

  https://web.mit.edu/2.972/www/reports/compression_refrigeration_system/compression_refrigeration_system.html

  https://www.explainthatstuff.com/refrigerator.html

 

Refrigerator compressor:

  https://www.researchgate.net/figure/Schematic-diagram-of-a-reciprocating-compressor-shows-a-schematic-diagram-for-typical_fig1_32966759

 

Magnetic refrigeration:

  https://newatlas.com/ge-magnetocaloric-refrigerator/30835/

 

The impact of refrigerants on their environment:

  http://www.npr.org/templates/story/story.php?storyId=113030178

 

Amish people still getting ice the old fashioned way:

  https://amishamerica.com/harvesting-ice-in-amish-ohio/

 

Acoustic refrigeration:

  https://news.psu.edu/story/140772/2003/09/01/research/sounds-cool

 

Refrigeration and organ transplants:

  https://www.sciencedirect.com/science/article/abs/pii/S0006291X05020887?via%3Dihub

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Chairs

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Failure and different types of mechanical testing:

  http://kaizenha.com/wp-content/uploads/2016/04/Materials-Textbook-8th-Edition.pdf  (Intro to Materials Science textbook, see chapter 8 )

 

Fatigue Testing

  https://en.wikipedia.org/wiki/Fatigue_testing

  https://www.asminternational.org/documents/10192/1849770/06156G_Sample.pdf

  https://www.sciencedirect.com/topics/engineering/mechanical-fatigue-test

 

Fatigue testing of chairs:

  https://www.extension.purdue.edu/extmedia/fnr/fnr-179.pdf

  https://www.conceptseating.com/testing-requirements

  https://www.agriculture.purdue.edu/fnr/faculty/eckelman/documents/d199957a.pdf

 

Hardness Testing

  https://www.asminternational.org/documents/10192/1849770/06671g-ch.pdf

  https://www.paulo.com/resources/hardness-testing-methods-rockwell-brinell-microhardness/

 

Further reading on hardness:

  https://johnsonhardwood.com/resources/janka-hardness-test/

  https://www.nature.com/articles/3900310.pdf 

 

Fatigue testing videos so you can protest the injustices of chair testing:

  https://www.youtube.com/watch?v=Z8apD4hE0ws

  https://www.youtube.com/watch?v=M5nj0z9P4lE

  https://www.youtube.com/watch?v=jmEhTlfcbdI

  https://www.youtube.com/watch?v=lIbpCTRKMP4

 

Wing test:

  https://www.youtube.com/watch?v=WRf395ioJRY

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