It 'snows' metal on Venus.
13
In China, teachers allow children to sleep in class for around 20 minutes to help improve their learning.
13
Mathway.com solves all kinds of math homework problems with step by step explanations.
15
Rather than use CGI, Tim Burton had 40 squirrels trained to crack nuts for Charlie & The Chocolate Factory.
16
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9