If left alone, 70% of birthmarks gradually fade away.
193
A typical lead pencil can draw a line that is 35 miles long.
158
We forget why we have entered a room because passing through doors creates an ‘event boundary’ causing the brain to file away what we were just thinking about.
26
A lump of pure gold the size of a matchbox can be flattened into a sheet the size of a tennis court.
140
Dartboards are made out of horsehairs.
129
Play-Doh was first manufactured as a wallpaper cleaner.
122
The number of births that occur in India each year is higher than the entire population of Australia.
66