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Here's what we've had so far....(answers in italics).

What's the minimum age to ride pillion on a motorbike?
No minimum age but both feet must be able to touch the pegs and you have to be able to hold on.

Which football player has scored the most goals, in the world, in their entire career?
Some dispute about this but FIFA recognise Pele as the sport's greatest ever goalscorer, with 1281 goals. Some people include goals scored in friendlies and junior matches, Romario claims he's scored more than a thousand goals, and while FIFA congratulated him on this, they don't officially recognise it.

How long is the longest film and what is it?
"A Cure For Insomnia" at 87 hours long. Consists of a man reading out his poem for 3 and a half days, with the aim of being so boring people eventually fall asleep. It was shown once at a university in Chicago in 1987.

What's the speed limit over the Erskine Bridge?
According to Strathclyde Police, it's the National Speed Limit of 70mph for cars but lower for certain vans and heavy loads. 

Why does the sound of nails down a blackboard freak so many people out?
Research was conducted in the 80s into the most unpleasant sounds. A garden tool scraped across a piece of slate (same ideas as nails down a blackboard) came out as the one people hated the most. Scientists analysed the sound frequencies and realised it's identical to the warning sound of a Maccau Monkey. They think our reaction to this song is a left-over from our ape days and a built in reflex. We hear the sound and at a deep level it makes us think we're in terrible danger.

What's the cheapest country in Europe to go to for a holiday?
Bulgaria came out on top for this, followed by Turkey.

Who made the first web-site, what was on it and where is it?
Tim Berners Lee led the research team which developed what we now know as the World Wide Web. The first website was a page, explaining what the World Wide Web would be and encouraging people to put things on it. It's quite academic and serious but you can see it - it's still up HERE.

Who makes up the songs at football matches?
Normally these come from old-time, hardcore fans near the back of the stadium or sitting up the back on supporter's club busses. A Celtic fan told me "Franny Scally", a Maryhill character is responsible for many of the funny Celtic songs. They also get posted on websites. At games, a bunch of fans will start singing together and others will join in.German side Borussia Moenchengladbach have a fan rigged up to a radio mic and speakers, who stands facing the crowd, and leading them in a big sing-a-long.

Is it OK to eat the skin of a Kiwi fruit?
For most people, yes. I tried it on the show and suffered no ill effects. It didn't taste as jaggy or furry as I'd expected, but if you never try it, you're not exactly missing out on a great taste sensation. Please be aware that some people have suffered allergic reactions to Kiwi fruits, just like some people have nut allergies etc.

Does Britain still have the death penalty for extreme cases?
No. Not under any circumstances. We did keep it for treason and piracy with violence until 1998 when it was abolished entirely as part of Britain's move towards implementing European Human Rights legislation. Scots Law does still contain some bizarre ancient laws - regarding the theft of sheep and sale of coffee - which we'll look into another time.

How do you learn to pole vault/where can I do it?
A background in gymnastics will help you become a good pole vaulter. Upper body strength is essential. Practicing on a trampoline is one technique. Best advice is join an athletics club like Shettleston Harriers. There's often pole vault coaching at the Kelvin Hall.

What song has had the most cover versions made of it?
"Yesterday" by The Beatles holds the record for this with more than 3 thousand different versions released. Wet Wet Wet are one of the few who had a hit with it. "Unchained Melody" has been out more than 600 times with everyone from Elvis to Leann Rimes, Robson and Jerome and Gareth Gates having a crack at it. The most sung song in the English language is "Happy Birthday".

How do they know how many people watch TV programmes?
This is dealt with by an organisation called BARB. At any one time, 5,500 people across the UK have black boxes hooked up to their TV sets which records details of everything they watch. A calculation is then done to work out what that means in total. EG each house represents hundreds of thousands up and down the country. Barbara called in to say she's part of the "viewers panel" right now and in return gets vouchers and money off things. 

Who were the first band to play live at the SECC?
The Royal Scottish National Orchestra played at the official opening. The first band was Simply Red, supporting UB40

What's the best product to use to keep midges away?
Avon's Skin So Soft is so popular some members of the armed forces ask friends and family to send it over to them. But there's no scientific research to prove it works (only annecdotal evidence) so it cannot be marketed as an insect repellent.

What's the most expensive private number plate?
VIP 1 recently sold for 285 thousand pounds. The buyer was rumoured to be Roman Abramovich but he denies this. Glasgow City Council owns G 0 and it can often be seen outside the City Chambers. F1 sold this year in the UK for £440,625 while in the UAE the number "1" sold for 7.25 million.

What's the cheapest car?
The Tata Nano goes on sale in India this autumn. It's largely made of plastic and will cost £1,200 brand new.

How are the statistics we see during televised football matches generated? Is it done by a computer or are humans involved?
Computers and humans work together on this. Between 6 and 8 people work on each game. Computer technology can work out distances travelled by players or the ball but can't tell the teams apart.

Are stamps legal tender?
Yes. But "legal tender" is an old English phrase meaning that they can be used when a court orders you to pay a fine. So in the old days, someone forced to pay a fine in England could have used stamps. Scotland has no such thing as "legal tender". You can pay by anything you want, even a cabbage or a donkey, as long as the shop keeper agrees to accept it. And if they refuse, they are refusing to make the sale, not refusing to take your money.

What animal lives the longest?
There are reports of the Giant Tortoise living for up to 177 years

Why do Americans call psychiatrists shrinks?
This is believed to be a derogatory term derived from "headshrinkers".

When you put a music CD in a computer it fills in the song titles and artists names. How does it know this?
There's an online database called CDDB which has details of every album, the number of tracks and the length of each one. When you load your CD in it scans it and looks for a match on its list. If it doesn't have a record already it'll ask you to enter the details. If 2 or more records are the same it'll ask you to choose which one you've got.

What pub is Glasgow's oldest?
A controversial one this and the tourist board will tell you it's The Scotia Bar, near the St Enoch Centre built in 1792. However, there's a strong case for The Old College Bar on the high street and the Saracen Head on the Gallowgate. It depends what you mean by "oldest pub". Does it have to be on the original site? And opened continously since day 1? Loads more info HERE.

Why does the scoring system for tennis work the way it does?
It's all down to the French. They wanted it to be like a clock. So 15, 30...except they didn't think the French word for "45" sounded very nice, so changed it to 40. We say "love" because it sounds like the French word for egg "ouef" and an egg looks like a zero.

Who do we drive on the left side of the road?
This dates back to old medieval days of battles. Warriors would carry their weapons in their right hand so had to walk on the left so they could then lash out at the enemy walking towards them.

How do you stop your eyes watering when chopping onions?
It seems only some people are affected by this and there's no easy solution. Some say cut the onions in a circular motion -  like onion rings. Or cut an orange in half and put it at the side while you chop. Tape your eyes shut, put a clothes peg on your nose and stick a piece of hose in the your mouth were the less helpful suggestions!

How many CCTV cameras are there in Glasgow?
Streetwatch operates all the cameras throughout the city and says there are 419 in total. This doesn't include the private security cameras in shops and at nightclubs etc.

Who is it that decides what age ratings films get? I imagine it being one old guy?
This is the BBFC and rather than one old guy watching the films its a team of examiners. They range in age from early 20s to late 60s and as well as watching films and videos they play video games too, normally working in pairs. There's 20 of them and they work on 5 year contracts. They even get the cheat codes so they can move through all the levels of video games quickly. There's a criteria that helps them decide what the age limit should be but for difficult ones it is referred to more senior people in the organisation.