According to studies, men change their minds two to three times more often than women.
72
The smell of freshly cut grass is actually a plant distress call.
31
Indoor pollution is 10 times more toxic than outdoor pollution.
62
A cesium atom in an atomic clock beats over nine billion times a second.
43
Hot water can freeze faster than cold water.
181
Pure water (H2O) does not conduct electricity on its own.
46
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
One ragweed plant can release as many as one billion grains of pollen!
51