Friday, July 9, 2010

X-raying fossils

Scientists are using another method to visualize details contained in fossils: x-rays. Here are some examples:
As it turns out, this post was entirely appropriate for today, because I had an MRI of my brain done for my neurologist this afternoon. I confirmed with the technician that helium is used in the maintenance as well as the production of the machine, and she was well aware of the looming shortage.

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