US spacecraft Mariner 10 took close-up photographs of the planet Mercury 

Robert Falcon Scott, Antarctic explorer, dies 

Capt Robert Scott, storm-bound in a tent near South Pole, makes last entry in his diary the end cannot be far 

Coca Cola went on sale in the US it was marketed as a 'Brain Tonic' and claimed to relieve exhaustion 

Elihu Thomson, US inventor, is born