A single speck of dust is half way in size between a subatomic particle and the Earth.
15
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
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
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
Sound travels fifteen times faster through steel than through air.
134
Out of all the senses, smell is most closely linked to memory.
146