the past is the key to the present

I really enjoy reading Brian Switek’s posts on his blog, Laelaps – especially those relating to mammalian evolution & to the history of science. He’s just written a lovely piece about the evolution of seals, including the comment that this lovely fossil helps to explain why it is that seals (unlike whales & dolphins) swim using their limbs rather than their tails. As he says, the past is the key to the present. Go over there & see why.


& there’s a most excellent website associated with this particular fossil discovery.

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