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Designers are using inflatable technology to make products—from the ultimate commuter helmet to airy insulation—lighter, safer, and more portable.

�����ԹϺ��� reviews the best gear in the 2011 Summer Buyers Guide, including the Victorinox Swiss Army Dive Master 500 Mechanical watch.

It swims at 20 miles per hour and can carve out hunks of human flesh. It's one of eeriest beasts in the ocean—it's the Humboldt Squid.

A new way to tie one on

Watersports

A corps of rock rats in a hurry is putting the pedal to the mettle in big-wall climbing

You, too, can own a share of Henry VIII's sunken flatware—for $50,000. That is, if you cut a deal with Barry Clifford, the Pirate Prince to some, the Underwater Antichrist to others.