The smell of freshly cut grass is actually a plant distress call.
31
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
Out of all the senses, smell is most closely linked to memory.
146
The bark of an older redwood tree is fireproof.
65
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
There is a surgical implant being developed that will give you an orgasm at the touch of a button.
20
Your brain is 80% water.
525
In zero gravity, a candle's flame is round and blue.
16