Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
Sound travels fifteen times faster through steel than through air.
134
Balsa wood is classified as a hard wood!
41
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
According to scientists, the color of the cup that we're drinking from can alter our perception of the actual taste of the drink.
12
Sound at the right vibration can bore holes through a solid object.
134
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
According to studies, men change their minds two to three times more often than women.
72