What do we call the "middle" variables in a complex research model?

Some British Strange Questions

• What did Queen Victoria ban from her funeral? The colour black - instructing mourners to wear white. Even the weather obliged - the ground was covered with snow. How much money is made a day in the Bank of England and Royal Mint? The Bank of England produces £26,731,450 a day in banknotes. The Royal Mint is responsible for producing coins, and issues 4.1 million new coins per day. Where is the centre of England? A survey in 2002 by the Ordnance Survey pinpointed Lindley Hall Farm, near Fenny Drayton, Leics, as being at the centre of England. Historically, Meriden in the West Midlands claimed this title. Why isn't the Rotherhithe tunnel under the Thames in London straight? It was built with bends so that horses would not be able to see the light at the other end and bolt for the exit. ANIMAL WORLDI have been told that banana trees can walk - is this true? They can move up to 15 cm per year. This is because they have no central root, but lateral roots which grow and move towards the sun. What do you call a group of bears? A sleuth of bears. There are packs or routs of wolves and murders or storytellings of crows. Why does a swarm of midges not get knocked to the ground when it's raining? A falling raindrop creates a tiny pressure wave ahead of it as it falls. This wave pushes the midge sideways and the drop misses it. Scroll down for more... The difference between lettuce and humans is less than you might think If bees died out, what would be the result? All life on Earth would die within an estimated four years. Most food crops rely on bees to pollinate them, so if bees die out, so do humans. SHOWBIZWho was the original Pretty Woman? Roy Orbison's wife, Claudette. Asked once if she needed cash to go out, a friend said: "A pretty woman never needs any money." What name did Daryl Walters write under? Enid Blyton - best known for the Famous Five and Secret Seven series. She died in 1968 at the age of 71. Is it true that Paul McCartney stopped it raining at a concert? Yes. He hired three jets, at a cost of £28,000, to spray dry ice in the clouds above a concert at St Petersburg's Palace Square, thus preventing rain. What was unusual about the rain in the 1952 film Singing In The Rain? The rain was water mixed with milk. The crew did this so the raindrops and puddles would show up on film. What does "tardis" in Dr Who mean? The model of TARDIS is an obsolete Type 40 TT capsule. TARDIS stands for "Time And Relative Dimensions In Space". FOOD How many varieties does Heinz have? Henry Heinz adopted the slogan '57 Varieties' because he liked the numbers 5 and 7. Including divisions and subsidiaries, they actually have around 1,300. What is the name of the bumps on a raspberry? Druplets. The raspberry is not a berry but an aggregate fruit of numerous drupelets around a central core. HUMAN WORLDYou will produce 121 pints of this in your life - what is it? Tears. The average person will also eat 10,000 chocolate bars and have 7,163 baths. Is it true that women have twice as many pain receptors on their bodies than men? Yes. Women have (on average) 34 nerve fibres per square cm of facial skin compared with just 17 for men. Are there any countries in the world that don't have McDonald's fast-food restaurants? There are none in Greenland, Mongolia, Kazakhstan, most of the Middle East, Guyana, Papua New Guinea, Burma, Vietnam and most of Africa. After Neil Armstrong said "that's one small step for Man, one giant leap for mankind", what were his next words? He continued: "Yes, the surface is fine and powdery. I can kick it up loosely with my toe." Who made the first mobile phone call in Britain? Comedian Ernie Wise was chosen to make the call by mobile phone operator Vodafone on January 1, 1985. From the middle of London's St Katharine's Dock, he phoned Vodafone's headquarters at Newbury, Berks. Which are the top four biggest employers in the world in terms of staff? Walmart (2.4 million people), the Chinese Army (2.3 million), the Indian State Railways (1.5 million) and the NHS (1.4 million). Who was born in 1959 and couldn't bend her legs for the first six years of her life, has a brother called Todd and two sisters? Barbie, the famous doll, was "born" in 1959, couldn't bend her legs until 1965, has a brother called Todd, and no, she has five sisters. How much money will the average person in the UK spend in their lifetime? Men will spend £1,717,118 and women just £1,363,729. Of that, £286,311 goes to the taxman. What caused 73 accidents in Britain in 2002? Toothpaste tubes. Surprisingly, 823 accidents are caused by letters and envelopes. How many miles does the average woman walk in her lifetime while vacuumcleaning? 7,300 miles. Men only walk an average of 850 miles. SPORTWhat do John Lennon and Gary Lineker have in common? Both were given the middle name Winston - after Churchill. Lineker also shares a birthday with Churchill on November 30. WORDSWhat is the weirdest pub name? Poosie Nansie's in Ayrshire, but there are many: Sally Up Steps in Bolton; Donkey On Fire in Ramsgate; Oxnoble in Manchester; Who'd A Thowt It in Berkshire; Tafarn Sinc in Carmarthenshire, and the shortest - Q in Stalybridge. In rhyming slang, a Douglas Hurd is a third-class degree at university, and a Desmond Tutu is a 2:2, but what is a 2:1 in slang? In degree rhyming slang a 2:1 is known as Attila (the Hun) or Don (Juan). A 1st is Geoff (Hurst) or Damien (Hirst), while a 3rd is also known as a Thora (Hird). Why do people say "cobblers" when they believe something isn't true? The expression "cobblers", meaning nonsense or rubbish, derives from "cobbler's awls", Cockney rhyming slang for "balls". Why is New York the Big Apple? The name first appeared in the 1920s as horses were rewarded with apples on its many race tracks. A 1971 official tourism campaign first used the expression. Where does the term "purple patch" originate? The phrase, describing a period of success and good form, derives from Roman times, when only noblemen could afford purple dyes and cloth. WORLD TRIVIAWhere is Europe's largest roundabout? The Arc de Triomphe in Paris - which is the meeting point of 12 avenues. No vehicle insurance policy is valid on it. How long would it take to walk to China and back? The distance London-Beijing is 5,070 miles, so it's a 10,140-mile round trip. Walking speed 4mph; 2,535 hours' walking time; eight hours' walking per day: 316.8 days. What is the most expensive liquid in the world? Scorpion venom - used in medical research and which costs £1,038 for a 0.2ml sample (that's £5,302,725 per litre). AND FINALLYGive me three statistics that will wow my friends. • 76 people die each year playing Twister. • Linda McCartney sold more veggie meals than husband Paul sold records. • Humans share a third of their DNA with lettuce

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  Your last point explains the Royal Family, then!