Japanese engineers were asked to redesign the front end of the Bullet Train because it carried enough speed to create a sonic boom whenever it exited a tunnel. Residents could feel the blast from miles away.
11
Teddy bears were named after U.S. President Theodore 'Teddy' Roosevelt.
23
Dogs can be trained to identify the scent of lung cancer long before symptoms develop.
190
It has been calculated that every 2 minutes, we take more pictures than all of humanity in the 19th century.
13
The North Atlantic gets 2.5 centimetres (1in) wider every year.
119
Sound travels about 4 times faster in water than in air.
408
The largest breed of rabbit is the Flemish Giant.
65