Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
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Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
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Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
Nylon is made from coal and petroleum.
42