The glue on Israeli stamps is certified kosher.
67
If you took a standard slinky and stretched it out it would measure 87 feet.
52
Fine-grained volcanic ash can be found as an ingredient in some toothpastes.
55
Ice isn't slippery. What makes people and things slip on ice is water. A thin layer of ice melts when pressure is applied to it and it is this wet layer on top of the ice that is slippery.
153
The chlorine smell in swimming pools is accentuated by the chemical's reaction with impurities (like poop.)
7
The name Joshua is Hebrew for 'Jesus'.
74
Drying your hands with paper towel will reduce the bacterial count by 45 - 60% on your hands. However, using a hand dryer will increase the bacteria on your hands by up to 255% because it blows out bacteria already living in the, conveniently, warm moist environment.
26
You can tape a small mirror onto a cone speaker, play music and shine a laser on to the mirror and the reflection will look like a laser light show on your wall.
102