Scale and Smart Birds

This is a little off-topic, but take a look at this link: http://learn.genetics.utah.edu/content/begin/cells/scale/ A visual way to understand scale and the size of small things without having to use analogies.

 

Since I’m already off topic, here is another thing that I came upon that is quite amazing:   I had heard about Caledonia crows before, where they use the road and cars to crack nuts, but these rooks are creepy smart.  Tool-using and a bit of Archimedes in there as well.

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Published in: on October 28, 2009 at 5:03 pm  Leave a Comment  

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