No, you didn't wake up back in March 12, 2019, this is just a rerun of the classic Giant Rodent episode in honor of Groundhog Day. Be back with something exciting next week!

Follow us on Twitter @SciShowTangents, where we’ll tweet out topics for upcoming episodes and you can ask the science couch questions! 

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

If you want to learn more about any of our main topics, check out these links:

[Truth or Fail]

https://news.northwestern.edu/stories/2015/02/making-teeth-tough-beavers-show-way-to-improve-our-enamel-

http://www.sci-news.com/biology/science-biswamoyopterus-laoensis-new-species-flying-squirrel-laos-01361.html

https://www.apopo.info/en/tuberculosis-detection/projects

http://www.treatmentactiongroup.org/tb/background

https://www.theguardian.com/science/2016/feb/23/rats-who-sniff-out-tubersulosis

https://news.nationalgeographic.com/news/2014/08/140816-rats-tuberculosis-smell-disease-health-animals-world/

[Fact Off]

Hippos & biggest rodent:

Beavers & carbon emissions:

https://www.eurekalert.org/pub_releases/2018-08/uoh-bha082918.php

https://www.sciencemag.org/news/2013/07/what-role-do-beavers-play-climate-change

https://link.springer.com/article/10.1007%2Fs13280-014-0575-y

[Ask the Science Couch]

Gigantism:

https://www.smithsonianmag.com/science-nature/why-king-kong-should-have-been-blue-whale-180962603/

https://www.nature.com/articles/482008d

https://news.nationalgeographic.com/news/2012/05/120521-killer-mice-birds-gough-island-endangered-animals-science/

https://zslpublications.onlinelibrary.wiley.com/doi/abs/10.1111/j.1469-1795.2012.00534.x

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4358651/

[Butt One More Thing]

Capybara anal pouches:

https://zslpublications.onlinelibrary.wiley.com/doi/pdf/10.1111/j.1469-7998.1984.tb05087.x