Experiments conducted by Hilde Mangold and Hans Spemann taught us how an animal develops from a small ball of cells into an organism with distinct, functioning parts. The work was a foundational contribution to the field of developmental...

The origin story of turtles is a mystery that has perplexed many for centuries, but thanks to more recent studies, we might be one step closer to figuring out their lineage.

Hank discusses the process by which organisms grow and develop, maintaining that, in the end, we're all just tubes.

In this video, we will examine the precise site of fertilization and then follow the physical path of the secondary oocyte (egg) and sperm cell (spermatozoa) to fertilization.

Biosignaling - Notch Delta Signaling Pathway

An exploration of the origin and workings of the biological information-processing systems involved in embryonic development, to the tune of Luis Fonsi & Daddy Yankee's "Despacito"

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

In this video, we explore how the zygote undergoes a variation of mitosis called cleavage.

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.