Out of all the senses, smell is most closely linked to memory.
146
Sound travels fifteen times faster through steel than through air.
134
Scientists aren't sure what color dinosaurs were.
312
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
The storage capacity of human brain exceeds 4 Terrabytes.
140
The earth is approx. 6,588,000,000,000,000,000 tons.
175