The smell of freshly cut grass is actually a plant distress call.
31
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
Sound at the right vibration can bore holes through a solid object.
134
Iron weighs more after it rusts.
68
In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
17
German scientists claim to have evidence that suggests that our universe may exist inside of a computer simulated Matrix.
18
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61