* Black holes, baby universes, and loop quantum gravity.
* Creeping environmental stress fueled by volcanic eruptions and global warming was the likely cause of the Great Dying, or Permian-Triassic Extinction, 250 million years ago. (Both science links via Gravity Lens.)
* Ezra Klein takes a look at the way agricultural subsidies determine what we eat.
Friday, November 02, 2007
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