Onne van der Wal / Split-level view of the hull of the Shannon Shoalsailor illustrating how this innovative, keelless, shallow draft beachboat is designed to roam shallow waters such as these in Exuma, the Bahamas.

Onne van der Wal / Split-level view of the hull of a Shannon Shoalsailor illustrating how this innovative, keelless, shallow draft beachboat is designed to roam shallow waters such as these in Exuma, the Bahamas. Proper...

Onne van der Wal / Split-level shot of the hull of the Shannon Shoalsailor illustrating how this innovative, keelless, shallow draft beachboat is designed to roam shallow waters such as these in Exuma, the Bahamas.

Onne van der Wal / Underwater view of the hull of the Shannon Shoalsailor illustrating how this innovative, keelless, shallow draft beachboat is designed to roam shallow waters, Exuma, Bahamas.

Onne van der Wal / Split-level view of the hull of a Shannon Shoalsailor illustrating how this innovative, keelless, shallow draft beachboat is designed to roam shallow waters such as these in Exuma, the Bahamas. Proper...

Onne van der Wal / Learning how to tie knots at the optimist dinghy sailing school in Newport, Rhode Island, USA.

Onne van der Wal / Children learing how to tie a figure of eight knot at a sailing school in Newport, Rhode Island, USA.

Onne van der Wal / Learning how to gig at optimist dinghy sailing school, Newport, Rhode Island, USA.

Onne van der Wal / Split-level view of the hull of the Shannon Shoalsailor illustrating how this innovative, keelless, shallow draft beachboat is designed to roam shallow waters, Exuma, Bahamas. Model and Property relea...

Mark Moffett / Oil droplets, lit by lasers swirl in a wind tunnel around a flowering grass blade to study how pollen moved between plants on the wind, /n Berkeley, California

Premaphotos / Spring peeper frog (Pseudacris / Hyla crucifer) sitting on a finger to show how tiny it is, South Carolina, USA

Jim Brandenburg / Philipoosie Novalinge shows kids how to use crossbow, he was a role model for the documentary Nanook of the North, Ellesmere Island, Nunavut, Canada

Mark Moffett / Jim Patton with audience giving impromptu lecture on how to properly dissect a rat, agricultural station near Kerman, Iran