A dog's sense of smell is 1,000 times more sensitive than a humans.

African Baobab tree's circumference can reach 180 feet. If the trunk is hollow, 20 people would be able to fit inside of it.

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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