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Colin Barras on Muck Rack

Colin Barras

Michigan
As seen in: New Scientist, MSN, BBC, Nature, Scientific American, Flipboard, Live Science, Science Magazine, Yahoo, SBS, BBC Science Focus and
Science writer based in Michigan
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Articles

Il mistero della grotta delle donne

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By Colin Barras
| Internazionale Verified
I fossili di _Homo naledi _scoperti in Sudafrica 13 anni fa sono ancora più interessanti di quanto si pensava. Un’analisi delle proteine negli scheletri suggerisce che erano tutti di sesso femminile. La scoperta potrebbe essere il segno più chiaro trovato finora che questi ominidi trattavano i loro morti in modo insolito. Due speleologi hanno rinvenuto i fossili nel 2013 mentre esploravano la grotta Rising Star, circa 40 chilometri a nordovest di Johannesburg.
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Childbirth for many primate species is even harder than for humans

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By Colin Barras
| New Scientist Verified
Golden lion tamarins dislocate the bones of the pelvis during childbirth Childbirth can be extremely challenging for humans – but some other primates may have it even worse. A comprehensive analysis of primate anatomy concludes that many species must squeeze large-headed infants through too-narrow pelvises. The problem may have begun with the very first primates, which lived more than 50 million years ago.
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All known Homo naledi skeletons seem to be female Original

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By Colin Barras
| New Scientist Verified
A Homo naledi skull The Homo naledi fossils discovered in a South African cave 13 years ago are even more remarkable than we thought. An analysis of proteins in the skeletons suggests they are all female. The discovery may be the clearest evidence yet that H. naledi really did treat its dead in an unusual way. A couple of cavers stumbled upon the H. naledi fossils in 2013 as they explored the Rising Star cave system, about 40 kilometres north-west of Johannesburg.
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