Holds the genetic code to all living things, and is passed down to children from their parents.
DNA
Fact of the Day
Isaac Newton may - or may not - have invented the cat flap.
Quote of the Day
"He who is the author of a war lets loose the whole contagion of hell and opens a vein that bleeds a nation to death.
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~ Thomas Paine
On This Day
1940 Winston Churchill orders the evacuation of the BEF from Dunkirk. Operation Dynamo begins.