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Home Science & Tech

Homo naledi

November 10, 2021
in Science & Tech
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Homo naledi
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In news– Recently, the first ancient fossil of a Homo naledi child was found in the Rising Star Cave, Cradle of Humankind, South Africa.

Background–

   A new member was introduced to the family tree of humans in 2015. Fossil hominins from the Rising Star cave system outside Johannesburg, South Africa, were found to belong to a previously unidentified hominin species, which was then named Homo naledi. 

Key findings –

  • A team of researchers led by Professor Lee Berger, a palaeoanthropologist from South Africa’s University of the Witwatersrand, has revealed the first partial skull of a Homo naledi child, also from the Rising Star cave. 
  • They have estimated that the child died almost 250,000 years ago, at the age between four and six years old.
  • The child has been named “Leti” after the Setswana word “letimela”, meaning “the lost one”. 
  • The “Underground Astronauts” is a nickname for the group of six scientists and excavators from the original Rising Star expedition. 
  • The new fossil area, U.W.110, where the child’s remains were recovered, is in a very small passage in the Dinaledi Chamber.
  • The Dinaledi Chamber is just one in a sub-system of chambers and passages within the larger Rising Star system. 
  • It is 12 metres away from where researchers originally excavated adult Homo naledi fossils.

The Rising Star cave system–

  • It is located in the Cradle of Humankind, just outside Johannesburg. 
  • It’s a large area that has many caves, cave systems and underground rivers, and it has been famous for important fossil finds since the 1920s.
  • It is a complex network of tunnels, passages, squeezes and chambers, some of which interconnect.

Family tree of humans–

 

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Source: Down to Earth
Tags: Down to EarthPrelims

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