I just was on my 1st River Cruise with Grand Circle / OAT, wasn’t sure what to expect and it blew me away. From the moment you step foot onto the boat until the moment you walk off at the end ...

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The lifetime of periodic instantons is estimated in a doublwell scalar model, 11 pages, a section 5 added, the large and small sizes of a circle are discussed, typos corrected ...

After hours: February 4 at 6:06:38 PM EST Loading Chart for GTX ...

Arctic daily sea ice extent continued to hover near record daily lows in January, with the ice edge well northward of its long-term average position in most areas. In contrast to the cold conditions ...