An endurance record has been set. A seaglider 144 has covered over 5500km in 292 days. I don't know much about marine gliders but it looks pretty good going in my eyes. Their tag line is "half a knot on half a watt".
Not so good going is the slick in the Mexican Gulf. The GeoEye-1 satellite shows the oil streaks very clearly on this image.
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