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Unless otherwise indicated all photos © Richard McKie 2005 - 2015

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Travel

Brazil

 

 

In October 2011 our little group: Sonia, Craig, Wendy and Richard visited Brazil. We entered Brazil from Argentina near the Iguassu Falls.

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Fiction, Recollections & News

The U-2 Incident

 

 

 

In 1960 the Russians shot down an American U-2 spy plane that was overflying and photographing their military bases.  The U-2 Incident was big news when I was in High School and I remember it quite clearly. 

The Incident forms the background to Bridge of Spies a 2015 movie, directed by Steven Spielberg and starring Tom Hanks and Mark Rylance from a screenplay written by Matt Charman together with Ethan and Joel Coen that centres on these true events. 

Spielberg and the Cohen Brothers.  Who could miss it?

 

 

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Opinions and Philosophy

The Chemistry of Life

 

What you should know

Most of us already know: that an atom is the smallest division of matter that can take part in a chemical reaction; that a molecule is a structure of two or more atoms; and that life on Earth is based on organic molecules: defined as those molecules that contain carbon, often in combination with hydrogen, oxygen and nitrogen, and may include other elements like sodium, calcium, phosphorous and iron.  

Organic molecules can be extremely large.  Familiar extremely large organic molecules include plastics like polyethylene and many proteins, like spider web.

Chromosomes are structures within the cells of animals and plants consisting of very large molecules of  DNA (Deoxyribonucleic acid).   DNA stores and replicates information. It encodes the genes used by all complex living organisms on Earth to reproduce and function. 

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