The chlorine smell in swimming pools is accentuated by the chemical's reaction with impurities (like poop.)
7
Group "brainstorming" makes each individual in the group less creative and doesn't work as efficiently as the same number of people working alone and then later pooling their ideas.
10
When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
1k
Less than 3% of the water produced at a large municipal water treatment plant is used for drinking purposes!
24
No matter its size or thickness, no piece of paper can be folded in half more than 8 times.
-64
An ounce of platinum can be stretched 10,000 feet.
40
The yin-yang pattern's earliest use is in Rome - not China!
125
The "Cobra Effect" is where a solution for a problem actually makes the problem worse.
21
