SciShow
Actually Understand Hormone Replacement Therapy
For transgender and nonbinary people, hormone replacement therapy has become one of the standards of care. But what is it, exactly? And what can people receiving the therapy expect? SciShow has the answers.
SciShow
You Went Through Puberty as a Baby
We all remember the woes and trials of our adolescence. But what you may not have realized is that your middle-school bout with surging hormone's wasn't the first time you went through a sort of puberty. From surging hormones to hair...
PBS
Families with transgender children struggle to navigate wave of anti-trans politics
Texas is the largest state in the country to ban transition-related medical care for minors, joining 19 other states that have restricted access. Laura Barrón-López recently spent time in Texas to learn more about the law and spoke with...
Be Smart
Why is Puberty so Weird?
There is no phase of a human’s lifetime that is as strange and disgus....er....magical as the transition from childhood into adulthood - that handful of years that we call . . . PUBERTY. Why does it happen? How does it work? Why is it so...
SciShow
Where Did That One Thick, Dark Hair Come From?
Some days you look in the mirror and find a long dark hair where it didn't use to be. Maybe you're going through puberty, pregnancy, or menopause. Maybe you're not. But either way, that hair didn't appear out of nowhere. It just went...
SciShow
The Truth About Dog Years (Your Pupper Is Older Than You Think!)
You might have heard that one year in a dog’s life is equivalent to seven in a human’s. But it turns out that the real ratio is both higher AND lower—depending on your dog’s current age.
SciShow
How Do You Get Rid of Acne?
Most of us have dealt with acne during puberty, or maybe even after that. You probably wanted to pop or pick them in order to remove them, but don't do that! Learn more about acne and learn how to get rid of it more appropriately!
TED Talks
Norman Spack: How I help transgender teens become who they want to be
Puberty is an awkward time for just about everybody, but for transgender teens it can be a nightmare, as they grow overnight into bodies they aren't comfortable with. In a heartfelt talk, Norman Spack tells a personal story of how he...
SciShow
Why Do We Have Such Long Childhoods?
Compared to most animals in the vast kingdom, humans have one of the longest childhoods. And you might think this is so we have time to develop our advanced thinking skills, but scientists think it might not be that simple.
SciShow
Do Women Have Adam's Apples?
Quick Questions takes on the matter of the adam's apple -- The fact is, everyone has one! Learn what it really is, what its purpose is, and why they might look different in different people.
TED-Ed
TED-Ed: Why does your voice change as you get older? - Shaylin A. Schundler
The human voice is capable of incredible variety and range. As we age, our bodies undergo two major changes which explore that range. So how exactly does our voice box work, and what causes these shifts in speech? Shaylin A. Schundler...
Crash Course
Reproductive System, part 2 - Male Reproductive System: Crash Course A&P 41
Our month-long exploration of human reproduction continues with a look at testicular anatomy, the steps of sperm production, and how it's influenced by gonadotropin and testosterone. Hank also explains how sperm mature, and how they...
SciShow
Does Shaving Make Your Hair Thicker?
You've probably heard someone explain that hair grows in thicker after shaving, but is there any truth to this or is it just a myth?
SciShow
The Protein That Switches on Puberty
Puberty is a wild time in human bodies, and so much goes on as they transform from a child to an adult. But it turns out, the whole process is controlled by a single protein - and it’s probably one you’ve never even heard of.
Crash Course
The Reproductive System: How Gonads Go - CrashCourse Biology
Hank lets us in on the meaning of life, at least from a biological perspective - it's reproduction, which answers the essential question of all organisms: how do I make more of myself? So, sex, how does it work?
Crash Course
Great Glands - Your Endocrine System: CrashCourse Biology
Hank fills us in on the endocrine system - the system of glands which produce and secrete different types of hormones directly into the bloodstream to regulate the body's growth, metabolism, and sexual development & function.
Be Smart
Much A-Do About Hair
All mammals have hair at some point in their lives, but none of them wear it quite like humans. Why does our hair grow where it does, and not grow where it doesn't? How does our hair get its color? And why does it go gray and often fall...
TED-Ed
TED-ED: How menstruation works - Emma Bryce
At this moment, three hundred million women across the planet are experiencing the same thing: a period. The monthly menstrual cycle that gives rise to the period is a reality that most women on Earth will go through in their lives. But...
SciShow
Why Does My Voice Crack?
Have you experienced embarrassing voice cracking? Most people have, and there’s a lot of reasons why you might be affected. From illness, stress, and good old puberty.
TED-Ed
TED-Ed: How do your hormones work? - Emma Bryce
Over our lifetimes, our bodies undergo a series of extraordinary metamorphoses: we grow, experience puberty, and many of us reproduce. Behind the scenes, the endocrine system works constantly to orchestrate these changes. Emma Bryce...
TED-Ed
TED-Ed: How puberty changes your brain | Shannon Odell
While we often talk about puberty's effect on the body, what gets overlooked are the fascinating changes that happen in the brain. Puberty, in fact, begins in the brain, and lasts as long as five years. And during this extended process,...
SciShow
Why Do Humans Have Menopause?
The human body is full of mysteries, but we can start to solve those mysteries with help from science and the bodies of grandma whales.
SciShow
The Teenage Brain Explained
Being a teenager is hard. Especially when hormones play their part in wreaking havoc on the teenage body and brain. In this episode, Hank explains what is happening to the during the angsty-time. ----------
Crash Course
Reproductive System, part 1 - Female Reproductive System: Crash Course A&P
Human reproduction is complicated an important, and it's going to take a four part series for us to cover it. Today, we're kicking that off with the female reproductive system, starting with how sex hormones affect oogenesis and...