Yapoks are cute aquatic marsupials, and they're the only living creatures that need pouches for their sacs.

Mike Rowe, the host of "Dirty Jobs," tells some compelling (and horrifying) real-life job stories. Listen for his insights and observations about the nature of hard work, and how it's been unjustifiably degraded in society today.

Investor and prankster Yossi Vardi delivers a ballsy lecture on the dangers of blogging. Specifically, for men.

Yapoks are cute aquatic marsupials, and they're the only living creatures that need pouches for their sacs.

Howcast - Learn if a vasectomy can be reversed in this Howcast video.

In this De-Natured segment of Nature League, Brit breaks down a recent scientific journal article about the effects of childhood trauma on adult sperm cells of mice and men. Article citation: Dickson, D.A., Paulus, J.K., Mensah, V., Lem,...

In this Nature League Field Trip, Brit goes on a Montana safari at the National Bison Range and shares some local stories of how species have persisted over time via reproduction.

In this video, the speaker discusses the reasons why someone might have to have their testicles removed, including testicular torsion, cryptorchidism, testicular cancer, trauma, and gender reassignment surgery. The speaker also explains...

In this video, we explore more male reproductive anatomy [internal/external parts of the penis.<br/>

Epididymitis (Scrotal Pain) Signs & Symptoms | & Why They Occur



Epididymitis is an inflammation of the epididymis (which is a tubular structure on the posterior testis responsible for maturation and storage of sperm)...

In this video, we will cover some of the anatomy of the male reproductive system, more specifically, the testes and associated muscle, seminiferous tubules, and the epididymus.

In this Nature League Lesson Plan, Brit discusses the different ways that life on Earth makes more life on Earth - sexually and asexually.

In this first Nature League Lesson Plan, Brit introduces the channel and goes through the characteristics of life on Earth, including the importance of carbon. What makes life /life/ is pretty amazing!