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Anthony Barnosky and Kaitlin Maguire Measure Mammal Extinctions at the John Day Fossil Beds

9 minutes 14 seconds

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A man and a woman sitting on the ground with tools beside them. Caption: We have part of a leg bone, the shin.

Is a sixth mass extinction on the horizon? Dr. Anthony Barnosky and Kaitlin Maguire travel to the John Day Fossil Beds National Monument to find, collect, and date fossils. They have determined that the rate at which animals are going extinct today is much faster than normal.

Media Details

Runtime: 9 minutes 14 seconds

Topic: Science, Social Science
Subtopic: Anthropology, Biology, Science Methods
Grade/Interest Level: 10 - 12
Standards:

Release Year: 2015
Producer/Distributor: Howard Hughes Medical Institute
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Image of women in colorful attire working and walking in an African village courtyard. They're surrounded by mudbrick buildings. Caption. People said that he was looking for a second wife.

Large tent with open sides covering people seated and standing around tables holding gear and other items. Two people carefully placing bones in the outline of a body. Caption: for what early bipeds looked like.

A seated man with skulls and other items on shelves in the background. Caption: We found one band at about 5.2 million years--

Abstract drawing of a white and a yellow skulls with block teeth surrounded by Aztec designs. The yellow skull's mouth is open. Caption. The alliance destroyed the Aztec empire.

Computer graphic of a large, ancient palace and its courtyards. The palace is made of multiple cascading levels and is surrounded by courtyards and other similar, but smaller buildings. Caption. The palaces and temples of the royal family.

Archaeological dig of ancient stone buildings surrounded by historical city buildings and streets. A large dome is visible in the distance. Caption. Eventually led to the discovery of a large complex of buildings.

Brown computer graphic of a star made of 4 intersecting lines. Text on screen reads, "'an' or heaven." Caption. A star shape, to represent god or heaven.

Closeup of a statue of a man's face with curly hair and a medium length curly beard. It is made of dark stone. Caption. And king of all gods, Jupiter Optimus Maximus.

Still image from: SciShow: 3 Great Discoveries of 2013

Men in yarmulkes and hoiche hats approach the Western Wall in Jerusalem. Caption. It could go back hundreds of thousands of years.