SciShow Tangents

Eggs

Episode Summary

This week, we’re cracking the science of eggs wide open!

Episode Notes

Eggs have tons of different sizes, textures, and protective shells, from giant ostrich eggs to squishy fish egg clusters. But, scientifically, they all boil down to the same thing: an egg is just a reproductive cell that can be fertilized by a sperm to make an embryo. This week, we’re cracking the science of eggs wide open!

[Truth or Fail]

Brown trouts:

http://www.bbc.com/earth/story/20150214-fake-orgasms-and-other-sex-lies

https://www.sciencedirect.com/science/article/pii/S0003347200915859?via%3Dihub

Octopuses:

https://www.mbari.org/deep-sea-octopus-broods-eggs-for-over-four-years-longer-than-any-known-animal/

https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0103437

Trilobites:

https://www.sciencedaily.com/releases/2017/01/170124124905.htm

https://pubs.geoscienceworld.org/gsa/geology/article-abstract/45/3/199/195237/pyritized-in-situ-trilobite-eggs-from-the?redirectedFrom=fulltext

[Fact Off]

Stick insect eggs:

https://www.eurekalert.org/pub_releases/2018-05/ku-tsi052318.php

https://www.sciencemag.org/news/2015/10/stick-insects-lure-ants-fatty-knobs

https://www.nytimes.com/2018/06/05/science/stick-insects-eggs-birds.html

Humsters: 

http://www.stillhq.com/pdfdb/000360/data.pdf

https://onlinelibrary.wiley.com/doi/abs/10.1002/mrd.1120230307

https://link.springer.com/chapter/10.1007/978-1-4471-3310-0_5

https://www.ncbi.nlm.nih.gov/pubmed/1725451

[Ask the Science Couch]

Egg shape: 

https://galapagosconservation.org.uk/whale-shark-reproduction/

https://scripps.ucsd.edu/centers/cmbc/2018/05/15/hydrothermal-vents-incubators-for-deep-sea-skate-egg-cases/

https://books.google.com/books?id=zg1mDwAAQBAJ&pg=PT158&lpg=PT158

http://science.sciencemag.org/content/356/6344/1249

http://www.bbc.com/earth/story/20160304-one-animal-has-more-babies-than-any-other