Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
Diamonds can be shattered with a hammer.
-104
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
The smell of freshly cut grass is actually a plant distress call.
31