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Hello. The quizzes page on QI's new site isn't quite ready yet, but until it is, here's a challenge for those of you who want to test yourselves on the subject of this week's show, JOURNEYS. See below for five Quite Interesting questions about famous journeys throughout history. If you get all five right, very well done indeed. Have a biscuit.

Multiple choice

1. 40 years ago, the crew of Apollo 11 (including the first two men to set foot on the moon) were each given half a dollar bill to take with them. Why was that?
Correct. You obviously know a lot about space travel.
Incorrect. The answer is c). Really! We got it direct from NASA. Although it must be said that, despite its high-tech nature, superstition dogs the space industry just like any other. For example, the ill-fated Apollo 13 cleared the launch tower at 1313 Houston time and the command module exploded on April 13.

2. The world's first hybrid petrol-electric motorcar was:
Correct. Trust those clever Germans to come up with the idea.
Incorrect. The answer is a). The world's first hybrid motorcar was built in 1899 by Dr Ferdinand Porsche (aged 26) and unveiled at the Paris World Exhibition in 1900. At the time, Porsche was a young engineer working at Jacob Lohner & Co. The Porsche-Lohner petrol-electric Mixte vehicle catapulted Porsche to fame and 300 were produced. The patent was later sold to Emil Jellinek (1853-1918), after whose daughter, Mercedes, the Mercedes is named.

3. What did US explorer John Wesley Powell (1834-1902) stipulate was to be done with him after his death?
Correct. You clearly have a large brain.
Incorrect. The answer is b). Powell, who led the first boat trip through the Grand Canyon in 1869, had a running joke with his friend W. J. McGee about whose brain was bigger. They signed an agreement that the matter would be settled after their deaths. When Powell died in 1902, his brain was given to anthropologist Edward Spitzka who weighed it. In 1912, McGee died and his brain was also extracted. It weighed in at 1.410kg, to Powell's 1.488kg. Powell had won but, unfortunately, there was no means of informing him.

4. Which of these is not a reason why a Naval captain during the Napoleonic wars might keep a garden on board ship?
Correct. Report to the nearest naval yards immediately.
Incorrect. The answer is c). Several captains in Nelson's Navy kept gardens on board ship, and used them either to grow vegetables or to bury men up to their necks. The reason for this was that, in spite of James Lind's discoveries about citrus fruits, in the 18th and even 19th centuries some sailors believed that men could be cured of scurvy by being buried in soil. This happened in 1782 on board HMS Jupiter, when Captain Thomas Pasley gave up his large garden beds to bury as many men as possible in. Although he'd have been better off giving them his vegetables to eat, Pasley went on to become an admiral and a baronet.

5. Which of the following creatures migrate:
Correct. You're certainly no Loon!
Incorrect. The correct answer is e). Spiny lobsters migrate up to 300 Km across the ocean floor and like to walk in single file. The Common Loon, is a migratory aquatic bird native to Northern Europe and North America. It is the national bird of Canada. Lampreys are jawless, blood-sucking fish that migrate from the sea up rivers to their spawning grounds. Lemmings migrate in spring and autumn. If the population becomes too large mass migrations can occur at other times, although even in these circumstances lemmings never deliberately jump of cliffs en-masse - a myth perpetuated by the 1958 Disney film 'White Wilderness' in which scenes of lemming suicide were 'reconstructed'. Disney has never explained why it did this.

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