SciShow
Spinach That Detects Explosives!
What's both edible, and capable of sending you an email to let you know there's explosives nearby? Spinach! Well, spinach with some nanotechnology embedded within it. Learn how Popeye's favorite veggie is involved in the field of plant...
Catalyst University
Pathway For Sperm and Egg Cells to Fertilization
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.
Catalyst University
Specific Hormones | Functions of FSH and LH [Gonadotropins]
In this video, we explore the functions of the major gonadotropins, FSH and LH, and how they are released.
Catalyst University
Overview & Comparison of Water- vs Lipid-Soluble Hormones
This video includes a basic introduction to the endocrine system and then a comparison of the signaling between water-soluble and lipid-soluble hormones.
Catalyst University
Overview of the Posterior Pituitary [Neurohypophysis]
In this video, we explore the following: [1] the basic mechanism for hormone synthesis and release by the Posterior Pituitary [Neurohypophysis] [2] contrast this to the function of the anterior pituitary [3] basic functions of oxytocin...
Catalyst University
What is Zygotic Cleavage?
In this video, we explore how the zygote undergoes a variation of mitosis called cleavage.
Flame Media
Measuring Stress Levels
In his series 'Redesign my Brain', award winning documentary maker Todd Sampson sets out to learn how to manage fear. To demonstrate it is possible to overcome fear Todd will walk on a wire across two skyscrapers – a world first for...
Catalyst University
Specific Hormones | Functions of Prolactin
In this video, we explore the functions of prolactin and how it is released.
Catalyst University
Specific Hormones | Functions of Cortisol
n this video, we explore the functions of the major glucocorticoid, cortisol, and how it is released.
Catalyst University
Specific Hormones | Functions of Growth Hormone (hGH)
In this video, we explore the functions of growth hormone and how it is released.
Catalyst University
Specific Hormones | Functions of Thyroid Hormones
In this video, we explore the functions of thyroid hormones and how they are released.
Khan Academy
Khan Academy: Endocrinology and Diabetes: Blood Sugar Levels
Normal and elevated blood sugar levels before (preprandia) and after (postprandial) a meal.
Khan Academy
Khan Academy: Endocrinology and Diabetes: A1 C Levels
Learn why measuring Hemoglobin A1c levels is an indicator of blood sugar levels (and diabetes). [6:09]