The smell of freshly cut grass is actually a plant distress call.
31
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
Nylon is made from coal and petroleum.
42
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116
Out of all the senses, smell is most closely linked to memory.
146
4.5 pounds of sunlight strike the Earth each day.
27
Each day, up to 150 species of life become extinct.
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