Our whole Earth was in a pretty normal state

What started off as sci-fi fantasy in the 1930s has been lifted off the page and unfolded into a practical reality used in a range of applications from medicine to military, telecommunication to tourism and education to entertainment.

Put your detective caps on, for here is a story worthy of Sherlock Holmes.

Not only do glaciers look spectacular, but they hold valuable secrets which help scientists understand climate change.

Did you know volcanic eruptions have inspired great works of art such as "The Scream" by Edvard Munch and Mary Shelley's tale of Dr Frankenstein's monster? Have you heard how volcanoes led to scientific discoveries like the atmospheric jet streams that help aeroplanes fly faster?

It's a beautiful sunny day and you're walking through your local park soaking up the warmth of the sun, listening to the breeze rustle through the trees, watching swans drift lazily through the pond. You can hear birds chirping, a couple chatting on a park bench and children frolicking in the playground. Then the calm scene shifts, and chaos...

Do you know when WiFi was invented? How about the discovery that the universe is expanding faster than we thought? Or why wombats have cubed poo?