According to psychologist Ethan Kross from the University of Michigan, what is making us lonely, unhappy and unsociable?   Answer here

Which country produces the most sugar?   Answer here

What happens to words accepted into the Scrabble dictionary?   Answer here

What do jellyfish use to stun their prey?   Answer here

A study, led by Gabriella Lakatos has found out why dogs are loyal. What do you think that reason is?   Answer here    

How much training does a British policeman need in order to use a taser gun?   Answer here