結果 : what is the advantage of having dark skin pigmentation at the equator
2:41

Equatorial dark skin

Global Vision TV
139 回視聴 - 5 年前
4:54

The science of skin color - Angela Koine Flynn

TED-Ed
3,351,527 回視聴 - 8 年前
5:26

Latitude and Skin Tone: LSED 23

Planet Peterson
190 回視聴 - 3 年前
8:13

Evo-Ed: History, Genetics, and Human Skin Color

Explorations in Biology, Evolution, and More
1,286,843 回視聴 - 1 年前
1:01

Why Are Africans Black? The Science Explained!

THE SCIENCE SCOOP
27 回視聴 - 1 か月前
24:34

ANTH 4957 - Skin Pigmentation

ETSU Online
419 回視聴 - 7 年前
11:58

melanin in the skin, cancer risk, & vitamin D in early humans

Walter Jahn
1,028 回視聴 - 3 年前
5:54

Skin Color Is A Human Adaptation: QED with Dr B

WOSU Public Media
1,413 回視聴 - 3 年前
17:54

ANATOMY OF BLACK SKIN - WHAT DOES MELANIN DO?

LaBeautyologist – The Golden Rx
61,452 回視聴 - 8 年前
10:58

Understand the meaning and purpose behind SKIN COLOR

Discoverer X
18 回視聴 - 1 年前
2:18

Why? Tell Me Why!: Skin Pigment

Discovery
4,085 回視聴 - 16 年前
1:18

Why Do We Have Different Skin Colors?

TestTube 101
36,707 回視聴 - 9 年前
0:23

Why Africans Are So Black?🤔 #shortfacts #shorts #shortvideo #amazingfacts #interestingfacts #facts

Facts & History
4,036 回視聴 - 3 か月前
59:09

The Evolution of Human Skin Pigmentation

University of California Television (UCTV)
307,000 回視聴 - 15 年前
0:42

Black vs White Skin - explain by a Dermatologist

House of Medics
7,639 回視聴 - 1 年前
1:24

why we have different SKIN colors #facts #knowledge @KnowledgeSprout118

Knowledge Sprout
99 回視聴 - 5 か月前
2:18

Why? Tell Me Why! Skin Pigmentation

Discovery
4,590 回視聴 - 14 年前
1:18:22

The Cost of Color: The Health and Social Consequences of Skin Color for People Today

University of California Television (UCTV)
58,145 回視聴 - 7 年前
20:16

Why Do People Have Different Skin Tones? 🌍 The Science Behind Skin Colors

The Journey Around Earth
2 回視聴 - 3 か月前
40:50

Pigmentation 101 | What is Pigmentation? How To Remove Pigmentation? | Dr. Somji & Dr. Solomon

Dr. Somji Skin
1,601 回視聴 - 11 か月前