No matter how cold it gets, gasoline will not freeze.
107
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
Sound at the right vibration can bore holes through a solid object.
134
The smell of freshly cut grass is actually a plant distress call.
31
The bark of an older redwood tree is fireproof.
65