Getty Images
Domestic cat with complete heterochromia. White cat with different colored eyes is sitting by the window.
Domestic cat with complete heterochromia. White cat with different colored eyes is sitting by the window. Heterochromia is a difference in coloration, usually of the iris but also of hair or skin.
Curated Video
Ciara jokes that her son Future 'used my song against me'
CIARA SAYS HER SON FUTURE 'USED MY SONG AGAINST ME'
Nemours KidsHealth
How the Body Works—Skin
Take an elevator down under the surface of the skin! Animations show that new skin cells are formed and the old ones are shed in the epidermis, how melanin provides color and nerves and blood vessels reside in the dermis, and what the...
Veritasium
The World in UV
The sky appears blue, but why? Humans see the world through the visible light spectrum, but the light spectrum is much larger than what the eye sees. Camera lenses allow people to view the world in ultraviolet, and the changes might...
Veritasium
Science of Laser Hair Removal in SLOW MOTION
Lasers attack hair cells from the outside in. Young scholars observe a laser hair treatment in slow motion. They watch as the pulses of the laser destroy the external hair. The Veritasium instructor then describes the process happening...
Howard Hughes Medical Institute
How We Get Our Skin Color
Is our skin color determined only by genetics? Explore skin science through a video and related interactive. Young biologists discover the cells of the epidermis, how melanin is made, and the factors that influence the outward appearance...
Howard Hughes Medical Institute
How We Get Our Skin Color Interactive
I can see your epidermis. A short video shows how we get our skin color. It explains how melanocyte cells in the epidermis produce melanin, and that the type and amount of melanin controls skin color.
Howard Hughes Medical Institute
Skin Color Interactive Video: The Biology of Skin Color
It's all just skin deep. An anthropologist explains in a video how she used UV radiation data from NASA to come up with a theory on how human skin color has evolved over time. The skin has to be dark enough to block harmful UV radiation,...
PBS
What Colors Were Dinosaurs?
Beauty has no color, so why do scientists care about the color of dinosaurs? New evidence turned the world of dinosaurs colors upside down! From adorable red, fluffy dinosaurs to sharply contrasting black and white, these colors inform...
American Chemical Society
The Chemistry of Redheads
Redheads have genetic modifications that affect their pigmentation; however, the differences don't stop there! Use the video lesson from the ACS Reaction series to examine different traits specific to redheads. Learners consider...
American Chemical Society
Why Does Your Hair Turn Gray? – Speaking of Chemistry
You can't escape your genes. Young scientists learn about recent revelations about how and why hair turns gray. The video in the ACS Reactions playlist highlights certain genes that play a role in this process.
Crash Course
The Integumentary System – Skin Deep (Part 1)
Every minute, your skin sheds more than 30,000 dead skin cells. The sixth video of 47 teaches pupils about the three layers of skin, their composition, and different cell types. It takes a trip through the layers to help individuals...
Crash Course
The Integumentary System – Skin Deeper (Part 2)
The thinnest skin on your body is found on your eyelids, and the thickest is found on the soles of your feet. This seventh video in a series of 47 explores how the integumentary system protects people and also helps them interact with...
Be Smart
Why is the Sky Any Color?
Skin, the toughest part of the body, provides each person with multiple layers of protection from the outside world. Assist young scientists as they view the video segment and learn the differences in melanin production, leading to...
Crash Course
Crash Course A&p #6 : The Integumentary System, Part 1 Skin Deep
Anatomy & Physiology continues with a look at the body's biggest organ - your skin. [9:39]