George Washington and Thomas Jefferson both grew hemp. Ben Franklin owned a mill that made hemp paper. The US Declaration of Independence was written on hemp paper.
The word malaria comes from the words mal and aria, which means bad air. This derives from the old days when it was thought that all diseases are caused by bad, or dirty air.
The names of all the continents end with the letter they start with.
On every continent there is a city called Rome.
The oldest inhabited city is Damascus, Syria.
The first city in the world to have a population of more than one million was Rome.
The most populated city in the world – when major urban areas are included – is Tokyo, with more than 37 million residents. See world’s largest cities
Tokyo was once known as Edo.
The pin that holds a hinge together is called a pintle.
The Vatican is the world’s smallest country, at 0,16 square miles (0,44 square km).
The US flag displays 13 stripes – for the original 13 states.
To most Americans, the orient is China, Japan, Korea and Vietnam; to Europeans it is the area of India and Pakistan.
Some 160 billion emails are sent daily – more than 2 million per second – by 1,2 billion email senders. 97% of it is spam.
Eskimos use refrigerators to keep food from freezing.
MasterCard was originally called MasterCharge. More at credit cards
Neil Armstrong stepped on the moon with his left foot first.
The sentence “The quick brown fox jumps over the lazy dog” uses every letter of the alphabet.
Lightning strikes men about seven times more often than it does women.
Women make up 49% of the world population.
About 50% of Americans live within 50 miles of their birthplace. This is called propinquity.
The pleasant feeling of eating chocolate is caused by a chemical called anadamide, a neurotransmitter which also is produced naturally in the brain.
From the Middle Ages until the 18th century the local barber’s duties included dentistry, blood letting, minor operations and bone-setting. The barber’s striped red pole originates from when patients would grip the pole during an operation.
The US nickname Uncle Sam was derived from Uncle Sam Wilson, a meat inspector in Troy, New York.
The living does not outnumber the dead: since the creation about 60 billion people have died.
The electric chair was invented by a dentist.
The European Union has banned more than 1,100 chemicals from cosmetics. The United States has banned just 10.
Midday refers to the moment the sun crosses the local meridian.
Due to earth’s gravity it is impossible for mountains to be higher than 49 000 feet (15,000 metres).
It is not true that the Great Wall of China is the only man-made structure that can be viewed from space – many man-made objects, including the Dutch polders, can be viewed from space.