STEM

How many characters were originally allowed in a ‘Tweet’ when Twitter first launched in 2006?

Firefox is a web browser owned by which company?

An ‘epiphyte’ is an organism that grows on the surface of what?

“For every action there is an equal and opposite reaction.” Whose third law is this?

Which two letters of the alphabet make up the chemical symbol for mercury?

Aircraft flight recorders are often known by the misnomer ‘black box’, even though they are actually which colour?

The MMR vaccine protects against which three diseases?

What is the collective noun used for a group of grasshoppers?

The LG Corporation produces electronics and telecom products, but what does LG stand for?

Which type of mammal is a gelada?

How many options are available in Facebook for ‘liking’ or showing your response to a post?

Which is the largest internal organ in the human body?

In which modern-day country was the physicist and chemist Marie Curie born?