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Dollar Signs
What is the origin of the US dollar symbol?
Landmines
What is the best way to clear landmines? How accurate was Mayan astronomy?
Radio Waves
Why does lightning sometimes look green? Why don't insects drown when it rains?
Handshakes
Why and when did humans start shaking hands? Do humans only use 10% of their brains?
Longest Place Name
Why does Britain compete as one team in the Olympics but as four teams in the World Cup?
Pollution Free Engine
Is the ceremonial bugle call, the Last Post, unique to Britain?
The Big Bang
What existed before the Big Bang? What caused apes to mutate into Homo sapiens?
The Cuckoo
How do cuckoos learn to sing? Can water-damaged books be restored?
Australian Maoris
Why didn't Maoris go to Australia? What are the origins of the Rolls Royce flying lady?
Snoring
Why does the British 拢2 coin have an inscription about giants?
Nuclear Weapons
Are India and Pakistan bluffing about having nuclear weapons?
The MV Stirling Castle
What is the meaning and origin of the phrase "choc-a-bloc"?
The Mysteries of the Titanic
Why didn't nearby ships come to the aid of the Titanic?
Cricket or Baseball?
Why, as English speaking nations, don't America and Canada play cricket?
Satellites and the Ozone Layer
Does sending rockets and satellites into space add to the depletion of the ozone layer?
Emergency Hovercrafts
Why aren't hovercrafts used to provide relief supplies after hurricanes?
Round the World by Hot Air Balloon
Why have all attempts to fly around the world in a hot air balloon ended in failure?
Asteroid Threat
Will the earth be one day hit by an asteroid with disastrous effect?