The worlds tallest free fall rollercoaster is The Giant Drop located in Australia. The drops is 120 meters which is equivalent to a 39 story building.

The reason why bubbles are round is because this is the most efficient shape that the soap film can take for the amount of air trapped inside.

Alaska is the western-most AND eastern-most state of the United States. Its islands stretch so far they actually cross the 180th meridian - the global dividing line between "east" and "west".

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