The smell of freshly cut grass is actually a plant distress call.
31
One ragweed plant can release as many as one billion grains of pollen!
51
One 75-watt bulb gives more light than three 25-watt bulbs.
57
Sound at the right vibration can bore holes through a solid object.
134
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
Each day, up to 150 species of life become extinct.
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