Simple Sunday #2 – Ice Ages

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During its lifespan the Earth has experienced a number of the ice ages, also called glacial ages.

The were times of extreme cooling of the climate where ice sheets expanded to cover large areas of land. Between ice ages there were warmer interglacial periods and we are now living during such a time.

Many factors have altered the Earths climate over time, including tiny periodic variations in its orbit, the orientation of its spin axis and the movements of the continents. Surprisingly, throughout much of the Earth’s history global temperatures were on average 5 ºC warmer than today and the poles remained ice free.

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Simple Sunday #1 – Basic statistics and presenting results

This is the first edition of my new weekly series ‘Simple Sunday’. The idea for this series was initially formed from a Carl Sagan quote I happened to stumble across..


‘“I think I’m able to explain things because understanding wasn’t entirely easy for me. Some things that the most brilliant students were able to see instantly I had to work to understand. I can remember what I had to do to figure it out. The very brilliant ones figure it out so fast they never see the mechanics of understanding.”


This weekly series will really try to encompass this quote by taking difficult concepts and breaking them down to their base ideas to try and help you guys understand them. This is also great because for me to even try and simplify concepts I have to learn the ins and outs too!

Continue reading Simple Sunday #1 – Basic statistics and presenting results