Humanity’s oldest ancestor was a tiny Packman-like sack with bad breath

Introduction: Scientists (Han et al., 2017) have just discovered well-preserved fossilised remains of humanity’s oldest ancestor (Figure 1).  The little dude—your greatest grand pappy—was called Saccorhytus coronarius. Details: Where, when and how old? S. coronarius lived in the seafloor during … Continued

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