Expert views
Our experts provide the background to some questions where numbers are central:
Take your pick
Can changing your mind boost your gameshow luck? Could you beat the Monty Hall problem?
Death from above?
Do chances of being wiped out by asteroids hitting the Earth exist beyond Hollywood's imagination or is there risk in the skies?
A man, about a dog
Alvin Hall heads down the greyhounds to compare gambling with other investment opportunities. Is it possible he'll be beating the bookies?
Multiplication
Millions head out on each journey, but the odds are against them. Find out why just one sperm counts.
Burning issues
Even today, there are people who argue about the risks of tobacco - it's little wonder it took 400 years to get conclusive evidence of the dangers of smoking cigarettes.
Content last updated: 24/08/2006
