A small airplane can fly backwards.
75
Scientists in the UK are creating a smartphone app that will enable users to test for STDs.
0
The ball on top of a flagpole is called a 'truck'.
24
The Queen Mary - the grandest vessel of her day - had many of her vital components made by car manufacturer Skoda!
23
Scientists in China have built a prototype high-speed maglev train that is theoretically capable of reaching speeds of up to 1,800 mph (2,900 km/h).
1
Attics were invented in Attica.
43
The average car produces a pound of pollution every 25 miles!
18