Balsa wood is classified as a hard wood!
41
Scientists in Germany have developed a candy that doesn't cause cavities.
11
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
Scientists have developed a microparticle filled with oxygen that can be injected into the blood stream, enabling us to live without breathing.
21
A ball of glass will bounce higher than a ball made of rubber.
73
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
A single speck of dust is half way in size between a subatomic particle and the Earth.
15