Men At Work, Whale Interrupted, Gender Equality

Curiosity Weekly

Warner Bros. Discovery

Self-improvement, Science, Astronomy, Education

4.6 • 935 Ratings

🗓️ 13 April 2023

⏱️ 13 minutes

🔗️ Recording | iTunes | RSS

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Summary

Today you’ll learn about how men with physically strenuous jobs have higher testosterone levels and, ahem, sperm counts, about how a researcher studying whales figured out an ancient mystery, and how providing women with more opportunities actually increases men’s life expectancy.

Men At Work

“Physically Demanding Work Tied to Male Fertility.” By Miles Martin. 2023.
- https://hms.harvard.edu/news/physically-demanding-work-tied-male-fertility
“Secular trends in semen parameters among men attending a fertility center between 2000 and 2017: Identifying potential predictors.” By Minguez-Alarcon, et al. 2018.
- https://pubmed.ncbi.nlm.nih.gov/30389382/
“Why more men are suffering from infertility than ever before.” By Susannah Cahalan. 2021.
- https://nypost.com/2021/02/20/why-more-men-are-suffering-from-infertility-than-ever-before/
“Occupational factors and markers of testicular function among men attending a fertility center.” By Minguez-Alarcon, et al. 2023.
- https://academic.oup.com/humrep/advance-article/doi/10.1093/humrep/dead027/7034534?utm_source=authortollfreelink&utm_campaign=humrep&utm_medium=email&guestAccessKey=87e840cd-75fb-4975-8010-b2705f827fbb&login=false

Whale Interrupted

“Ancient texts shed new light on mysterious whale behaviour that ‘captured imagination’.” By Donna Lu. 2023.
- https://www.theguardian.com/environment/2023/mar/01/ancient-texts-power-new-light-shed-on-mysterious-whale-behaviour-that-captured-imagination
“Parallels for cetacean trap feeding and tread-water feeding in the historical record across two millennia.” By McCarthy, Sebo, & Firth. 2023
- https://onlinelibrary.wiley.com/doi/10.1111/mms.13009

Gender Equality

“Greater Gender Equality Helps Both Women and Men Live Longer.” George Institute for Global Health. 2023.
- https://www.eurekalert.org/news-releases/981404
“Gender equality related to gender differences in life expectancy across the globe gender equality and life expectancy.” By Ana-Catarina Pinho-Gomes, et al. 2023.
- https://journals.plos.org/globalpublichealth/article?id=10.1371/journal.pgph.0001214
“Greater gender equality helps both women and men live longer.” ScienceDaily. 2023.
- https://www.sciencedaily.com/releases/2023/03/230306143509.htm

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Transcript

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0:00.0	Hi, you're about to get smarter in just a few minutes with Curiosity Daily from Discovery.
0:09.0	Time flies when you're learning super cool stuff. I'm Nate.
0:12.0	And I'm Gally. If you're dropping in for the
0:13.8	first time welcome to curiosity where we aim to blow your mind by helping you to
0:17.1	grow your mind. If you're a loyal listener, welcome back. Today you'll learn
0:20.6	about how men with physically strenuous jobs have higher testosterone levels
0:25.2	and sperm counts, about how a researcher studying Wales figured out an ancient mystery, and
0:32.1	about how providing women with more opportunities actually
0:35.2	increases men's life expectancy.
0:37.6	Without further ado, let's satisfy some curiosity.
0:40.9	So a recent study at Harvard Medical School found that men with strenuous jobs actually have higher fertility rates.
0:47.0	Strenuous jobs, like I'm just going to assume like podcasting probably.
0:52.0	Yeah, no nothing like podcasting probably.
0:52.8	Yeah, no, nothing like that, sorry.
0:55.8	That's rough.
0:56.6	These are jobs that involve heavy lifting, physical exertion,
0:59.9	and strenuous exercise.
1:01.4	And not only that, they found that the same men also had higher
1:04.5	testosterone levels than men whose jobs don't involve physical labor. The
1:08.8	study found that men who reported doing heavy lifting at work had 46% higher sperm concentrations and 44% higher
1:15.5	total sperm counts. It sounds to me like this probably has something to do with the
1:19.4	amount of exercise they're getting, right? Maybe. Let's take a look at why the study was conducted in the first place.
	...

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