Pumice is the only rock that floats on water.
14
Research has shown that allowing chocolate to melt in your mouth produced brain and heart rate activity that was simliar to - and even stronger than - that produced with passionate kissing.
173
The smell of freshly cut grass is actually a plant distress call.
31
In the presence of attractive women, men find running easier, take more risks, donate more money, consume more calories, and talk more.
28
The Gmail logo was designed the night before it was launched.
69
The brain receives 20% of the body’s oxygen and 25% of total body glucose utilization, despite it accounting for only 2% of a person’s weight (about 1.4 kilograms).
8
Venice Island was built on a foundation of tree trunks. 1200 years later, those same trunks still support almost all of central Venice.
8
Brain freeze is caused by the brain sensing the drop of temperature on your palate and increasing blood pressure in an attempt to save you from freezing.
14