SciShow
I Had Chemo and My Hair Came Back Curly!
Many patients experience changes to hair texture after chemotherapy known as "chemo curls." But why do they happen, and how many people get chemo curls? This episode will explain.
SciShow
Why Body Hair?
In today's episode Hank talks about hair: What's it good for, what's it made of, and why do we have less than other mammals?
SciShow
How Do I Grow a Beard?
People ask Google everything under the sun. One of the most commonly searched questions in the world is “How do I grow a beard?”? Let SciShow explain.
SciShow
Why Do People Have Periods When Most Mammals Don't?
Few mammals actually get periods every month, or even at all, but why? Understanding what menstruation really is and why it happens could help ease symptoms & treat conditions that stem from the reproductive system.
SciShow Kids
Why Does Hair Turn Gray?
Hair can be so many different colors, but why do so many adults have gray hair?
SciShow
World's Most Asked Questions How Do I Grow a Beard
People ask Google everything under the sun. One of the most commonly searched questions in the world is “How do I grow a beard?”? Let SciShow explain.
SciShow
Will Stress Really Make You Go Gray?
Just like the myth that plucking one gray hair will make three sprout, stress making your hair white isn't actually a thing. Or is it?!
SciShow
Why Body Hair?
In today's episode Hank talks about hair: What's it good for, what's it made of, and why do we have less than other mammals?
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...
SciShow
HIV vs. AIDS & Ash the Chinchilla: SciShow Talk Show #19
Clinical Sexologist and Sexplanations Host Lindsey Doe teaches Hank the difference between HIV and AIDS. Then Chinchilla Ash teaches Hank about softness. Chapters View all LINDSEY DOE 0:19 IMMUNODEFICIENCY 2:38 STAGE 1: ACUTE INFECTION...
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...
TED-Ed
TED-Ed: How to make a baby (in a lab) - Nassim Assefi and Brian A. Levine
Infertility affects 1 in 8 couples worldwide. But in the last 40 years, more than 5 million babies have been born using in vitro fertilization (IVF). How does it work? Nassim Assefi and Brian A. Levine detail the science behind making a...
SciShow
How Does Hair Know When to Stop Growing?
The hair on your scalp can get really long, but your leg hair doesn't sweep the floor. Why not?
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...
Curated Video
Chinchillas! What, Where, and How
Jessi shares what Chinchillas are, where the come from, and how to care for them in captivity. Featuring Cheerio the chinchilla!
Curated Video
Bird Molting
Why do birds lose their feathers? What is molting? How can you help them through it? Jessi gives you all the answers helped by some of her feathered friends.
Debunked
Why Do We Go Bald?
WHY DO WE LOSE OUR HAIR? Do you inherit it from your mother? Does stress make your hair fall out? Can too much testosterone and even too much sex make you go bald? Join us as we quash some of the biggest myths, and investigate what can...
Institute of Human Anatomy
The Female Reproductive Cycle: Hormone Differences in Men vs Women
The video explains the female reproductive cycle, including changes in hormone levels and the process of ovulation. It also compares the hormone levels of men and women, highlighting the significant fluctuations women experience...
Catalyst University
Thyroid Peroxidase and Thyroid Treatments
Thyroid Peroxidase and Thyroid Treatments
Debunked
What Effect Does Shaving and Plucking Have On Hair Regrowth?
Us Samuel The Eagle lookalikes are used to people telling us "Don't shave your mono brow or it will grow back thicker". But is this even true?! Let's take a look at the evidence.
Institute of Human Anatomy
The Science Behind Goose Bumps: Anatomy and Function
This video explains the science behind goose bumps, including the anatomy of the skin and the role of the arrector pili muscle. It also explores the connection between strong emotions and the activation of this muscle, and how it is more...
Institute of Human Anatomy
Understanding Ovulation
This video discusses the process of ovulation in the female reproductive cycle, including the role of follicles and hormones such as follicle-stimulating hormone and luteinizing hormone. It also explores the function of estrogen in...