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How Old Is Earth?

How Old Is Earth?

Scientists have calculated that Earth is 4.54 billion years old, with an error range of 50 million years.

SPACE.comNola Taylor Tillman2021年8月20日

Early Human Evolution

Our Origins: Exploring The Human Spark:Early Humans

Our Origins: Exploring The Human Spark:Early Humans

2010年1月24日

Human evolution

Human evolution

2017年10月26日

Stages of Evolution of Human Beings

Stages of Evolution of Human Beings

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Early Humans Survive the Ice Age

Early Humans Survive the Ice Age

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The history of the Earth in 1 minute

The history of the Earth in 1 minute

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Watch What Earth's Explosive Early Days Looked Like | Life On Earth From Space

Watch What Earth's Explosive Early Days Looked Like | Life On Earth From Space

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Prehistoric Humans

Neanderthals 101 | National Geographic

Neanderthals 101 | National Geographic

YouTubeNational Geographic

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How did prehistoric animals move?

How did prehistoric animals move?

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Study suggests humans were in North America 100,000 years earlier than believed

Study suggests humans were in North America 100,000 years earlier than believed

cbc.caNicole Mortillaro

2017年4月26日