Following the luncheon program, the symposium turned to a discussion format to consider in greater detail the rationale for and likely impact of the GCCT.

CENTERFORSECURITYPOLICY: 'Global warning' about global climate change treaty

Other than this minor quibble, the disc extras are as comprehensive as you will find in this format and the attention to detail raises the stakes for future DVD releases.

BBC: Potter DVD unlocks more secrets

Sander favoured large-format cameras with lengthy exposure times so he could focus on detail.

ECONOMIST: The photographs of August Sander

Nikon's FX-format offers photographers exciting image quality possibilities, from dazzling dynamic range and exacting detail to stellar low-light ability.

ENGADGET: Nikon unveils lightweight, full-frame D600 DSLR -- hands-on and low-light samples (video)

The company is also redesigning its title detail pages so customers can quickly find a book and purchase it in traditional print format, eBook, audio book or in other available formats.

ENGADGET: New Kobo eReader gets wireless connection, faster processor, pretty colors

The SIGMA DP3 Merrill features a RAW data recording mode for retaining full image capture detail of the utmost quality captured through the direct image sensor, plus a JPEG recording format for convenience.

ENGADGET: Sigma DP3 Merrill packs a Foveon X3 sensor and a fixed F2.8, 75mm-equivalent lens