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human body

KEPXDK Australopithecus family

Humans

When did humans leave the trees for the savannah – or did they at all?

Ancient humans are said to have evolved to leave the trees, where our primate ancestors lived, in favour of open grassy savannahs – but we may have this idea wrong

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SAN FRANCISCO - SEPTEMBER 20: Freshly printed copies of the San Francisco Chronicle run through the printing press at one of the Chronicle's printing facilities September 20, 2007 in San Francisco, California. Newspaper sales in the U.S. continue to slide as people turn to the internet and television for their news. The Chronicle saw its circulation plunge more than 15 percent in 2006 to 398,000 during the week which has hurt newspaper vendor Rick Gaub's business. Unable to sell as many papers as he used to, Gaub is looking for a new way to earn money after selling papers for 42 years. (Photo by Justin Sullivan/Getty Images)

Technology

Nexus review: Yuval Noah Harari is out of his depth in his new book

Culture

Altamura skeleton, displaying the same type of popcorn coralloid concretions. The two specimens are located in two separate parts of the cave. Not in scale. Photos by CB.

Humans

Why the amazing Altamura Man fossil remains a mystery

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Humans

Hobbit hominins from Indonesia may have had even smaller ancestors

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Donald Johanson excavating Lucy

Video

Donald Johanson: Unearthing Lucy changed my life and the world

Video

Health

Your pupils change size as you breathe

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Humans

When did human ancestors start walking on two legs?

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The Tropical jungle with river and sun beam and foggy in the garden

Humans

How ghost cities in the Amazon are rewriting the story of civilisation

Features

Ancient cave paintings on rocks in Karasay gorge, Taraz, Zhambyl Region, Kazakhstan. Petroglyphs Bronze Age and Iron Age rock art; Shutterstock ID 2465182461; purchase_order: -; job: -; client: -; other: -

Humans

Did rock art spread from one place or was it invented many times?

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Humans

Why did hominins like us evolve at all?

Animal life on Earth existed for over half a billion years before hominins hit the scene – a complex combination of environmental changes, innovations in technology and competition may have led to us

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Humans

Did humans evolve to chase down prey over long distances?

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Humans

Early humans spread as far north as Siberia 400,000 years ago

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Humans

Ancient campsite may show how humans survived volcanic super-eruption

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Health

'Useless' appendage of the ovaries may play key role in fertility

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