This is cool! Science Daily is reporting on the discovery of 330 million year old fossil imprints discovered in Pennsylvania. The imprints are not actually fossils in the sense of being mineralized bone, rather they seem to be natural molds of the animals in question.
I’m sure some of you remember all the fuss about the White House deleting emails? Apparently, the epidemic of government officials deleting their emails is spreading to the Governor of Missouri. According to a recent St. Louis Post-Dispatch article an employee of Governor Blunt’s was recently fired for sending Blunt an outline of Missouri law on the policy of Blunt and company deleting their emails:
Like any other adaptation, locomotor adaptations are influenced by the ancestry of the species being considered. Consequently, primate species have evolved a wide number of solutions to the the same basic problem. In the case of locomotion, this has lead to a wide and varied locomotor repertoire. In previous posts I looked at how the competing demands of food and locomotion can affect the primate skeleton and discussed vertical clinging and leaping. In this post I will look at quadrupedalism.
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