With elections coming up in Zambia, political parties are holding rallies everywhere. There's lots of noise and dancing. Why do politicians only dance during elections? Where is the excitement when the elections are gone?
history
The story of Air France 447
Air France 447 was an accident in June 2009. The sequence of events leading to have led to the accident is believed to have began when a pitot tube - a small tube that helps in measuring a plane's speed - froze. Are there any lessons here?
Geof Writes 