Nearly a quarter of the world drives on the left. But why? There’s a quite reasonable explanation for that. The Ancient Romans drove on the left too. So it was more natural for right-handed people to ride horses on the left. Most people trace the answer back to Napoleon, who decreed that in his empire, everyone would keep to the right.As Nepoleon’s armies conquered more and more of continental... 

It is most likely that scissors were invented in 1500 BC in ancient Egypt. The earliest known scissors appeared in the Middle East 3,000 or 4,000 years ago. These were of the ’spring scissor’ type comprising two bronze blades connected at the handles by a thin, curved strip of bronze. This strip served to bring the blades together when squeezed and to pull them apart when released. Scissors...