The Wing-Friends and Other Books

In Blogger's slideshows images are greatly reduced, so lose much of their impact. And captions added to them in Picasa Albums vanish, so the images shown above are: the Milky Way, the Orion Nebula, Earth, Earth with New Zealand circled, New Zealand, Auckland & the Hauraki Gulf, Waiheke Island, some native NZ forest, a Fantail and chicks, various doves, etc.

(If you want to see the first ten images in their original size, they are in a posting made on the 24th of November 2011.)

My book The Wing-Friends is an imaginative tale of a small brave boy, a magical adventure, a magnificent Pegasus and the wonderful Kingdom of the Pegasi. It has been given very good reviews, and virtually every reader on Goodreads has so far awarded it five stars. It is available here. Some of my other writings are available as e-books, such as The Lower Deck, which is an over-the-top take on Waiheke happenings--sort of.

Thursday, 13 June 2013


Getting water to march in single file:
'Aquaporins are a bit like bouncers at a club. These proteins span the cell membrane, forming an hourglass-shaped core that allows water molecules to enter, but excludes ions, such as protons or hydroxide.
'Without aquaporins, cells wouldn't be able to properly regulate their water intake and salt balance, and diseases such as some forms of diabetes and bipolar disorder can result when there are defects in these channels.
'Now researchers have created the highest resolution crystal structure of any membrane protein—an aquaporin from yeast—and revealed the trick to its selectivity. The structure, reported online today in Science, shows how amino acids in the protein's core use hydrogen bonds that they share with water molecules to orient the waters in just such a way to allow them to zip through in pairs. And because charged ions can't form these same bonding arrangements, they are shut out.'