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Prominent show dog
A black-and-white photo of a white man from the late 19th century wearing an extremely long mustache. Cut-out hands hold a blue razor to the right side of the image.
skin
A new technique for forensic hair analysis
The science behind hair bleaching
The science behind human hair growth
Giving robots and prosthetics a new sense: Touch
Quizzes
Male muscle, man flexing arm, bicep curl.
Facts You Should Know: The Human Body Quiz
Muscles of facial expression, human anatomy, (Netter replacement project - SSC). Human face, human head.
Characteristics of the Human Body
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Back of a head of an older man with gray hair (aging, elderly, mature, grey, seniors).
Why Does Hair Turn Gray?
Many hands with different skin hues. human skin
12 Questions About Skin Answered
Happy young nurse assisting an elderly patient walking outside
Why Do Gray Hairs Have a Different Texture?
Discover
The Colosseum, Rome, Italy. Giant amphitheatre built in Rome under the Flavian emperors. (ancient architecture; architectural ruins)
New Seven Wonders of the World
Chinese pictograph, calligraphy tablet of Huang Tingjian, a famous calligrapher in Ancient Song Dynasty. The background of Chinese cultural elements.
The World’s 5 Most Commonly Used Writing Systems
Space race (1957-1969) infographic between United States (U.S.) and Russia. America, Soviet Union, U.S.S.R., space exploration
Timeline of the Space Race, 1957–69
Marriage. A couple getting married during a church wedding ceremony. (religion, ceremony, bride, groom)
The Seven Sacraments of the Roman Catholic church
Agnes with a lamb near her feet. St. Agnes (Saint Agnes) design drawing for stained glass window by J&R Lamb Studios, ink, mount size 10.5 x 14.5 in.
Roman Catholic Saints
Candles Burning On Table In Church
What Is the Most Widely Practiced Religion in the World?
NBA Lakers Celtics Finals Kevin Garnett shooting.
10 Great Sports Rivalries

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Photos and Videos

Prominent show dog
skin
A black-and-white photo of a white man from the late 19th century wearing an extremely long mustache. Cut-out hands hold a blue razor to the right side of the image.
A new technique for forensic hair analysis
The science behind hair bleaching
The science behind human hair growth
Giving robots and prosthetics a new sense: Touch
See All Videos and Images →

Related Topics and References

Topics
Dig Deeper: More Articles That Discuss This Topic

Related Quizzes and Features

Quiz
Muscles of facial expression, human anatomy, (Netter replacement project - SSC). Human face, human head.
Characteristics of the Human Body
Male muscle, man flexing arm, bicep curl.
Facts You Should Know: The Human Body Quiz
List
Many hands with different skin hues. human skin
12 Questions About Skin Answered