Carbon dating lucy

Virtually the entire skeleton was preserved down to the smallest finger and toe bones, an extremely rare event.

(Lucy, for example, is only about 40% complete.) It took more than 15 years to excavate the fragile fossils from the rock.

For example all hydrogen atoms have one proton in the nucleus, while carbon atoms have six.

The number of protons in the nucleus is called atomic number, while the sum of the particles of the nucleus (protons and neutrons) determines the mass number.

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is an evolutionary ancestor to humans that lived between 2 million and 4 million years ago.All in all, the research suggests that humans' and chimpanzees' last common ancestor was pretty different from current-day apes, which have gained a lot of adaptations for swinging through the trees since then.Read: You certainly did not descend from a chimp, and the thing you descended from wasn't as chimpy as you might have been picturing.She was adept at both climbing through trees (with help from opposable big toes) as well as standing on two legs.Ardi lived 4.4 million years ago, about a few million years after the lineages of people and chips split.A new geological study of the cave concludes that Little Foot is at least 3 million years old.

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