Cycles in the Earth's climate, caused by changes in its relationship with the Sun.
The Milankovitch Cycles
Fact of the Day
The eighteenth-century evangelical preacher George Whitefield considered it a badge of honour that, along with rotten fruit, he might be pelted by 'pieces of dead cats'.
Quote of the Day
"If civilisation is to advance at all in the future, it must be through the help of women, women freed of their political shackles, women with full power to work their will in society.
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~ Emmeline Pankhurst
On This Day
1787 The 'First Fleet' of 11 ships carrying convicts to Australia left England.
1888 Slavery was abolished in Brazil.