* YouTube: observing the Gulf oil spill from underwater. "This is a nightmare."
* Will there be criminal charges over the Gulf oil spill?
* So, uh, why is the number of attempted terrorist attacks up?
* The American military is frequently providing medical care for Afghani civilians.
* The Navy is planning ahead for climate change.
* Pre-crime Dept.: "Could the blink of an eye or the curl of a lip give away a terrorist?"
* "Keeping track of 10 billion things": meet the Archivist of the United States.
* Neat! Working to unravel the mysteries of the portolan charts.