Skin

Content Info | Transcript

Dr. Biology gets the skinny on our largest organ - our skin. Professor and author Nina Jablonski talks about the important ways our skin works for us each day.

MP3 download | 15MB

You are missing some Flash content that should appear here! Perhaps your browser cannot display it, or maybe it did not initialize correctly.
Topic Time
Intro 00:00
About skin - Nina Jablonski reading from her book - Skin: A Natural History 01:13
How does our skin protect us? 04:07
Skin is very good at repairing itself. 06:16
What does the skin do to protect us from harmful sun ultraviolet radiation rays (UVR)? 07:07
Why does our skin change color when we expose it to sun? [Melanocytes - melanin] 09:01
Sunscreen - sun protection clothing. 11:12
Vitamin D and our skin. 12:11
Skin sensors. 15:02
Touch as a communication tool. 16:04
Skin pressure sensation - feedback. 17:30
Skin anatomy and function [How many skins will you have worn by age 20?] 18:12
Our nakedness - no, not your birthday suit - 20:32
What's the most amazing thing about skin? 21:19
Wrinkles. 22:05
Why do our finger tips look like prune skin when in the water too long? 23:58
What would you be or do if you could not be a science journalist? 21:52
When did you first know you wanted to be a scientist? 25:39
What would you be or do if you were not a scientist? 26:52
What advise do you have for someone who wants to be a scientist? 28:27
Sign-off 29:56

back to top

Skin

Audio editor: CJ Kazilek

Be part of Ask A Biologist

by volunteering, or simply sending us feedback on the site. Scientists, teachers, writers, illustrators, and translators are all important to the program. If you are interested in helping with the website we have a Volunteers page to get the process started.

ShareThis