Rob's General Knowledge #2

Viagra (a.k.a. sildenafil) was originally developed to treat which common medical condition?

The name of which element of the periodic table is derived from the Greek for 'stranger'?

Under the US Constitution, if both the President and the Vice President are incapacitated, who becomes Acting President of the United States?

The Medieval noblewoman Gruoch ingen-Boite was the real-life inspiration for which Shakespearean character?

Who was the only British Prime Minister to have been assassinated?

Abarth is a subsidiary of which European car manufacturer?

What was the pen name of espionage writer David Cornwell?

What is the more common name given to the eye condition amblyopia?

Doris of Jerusalem was the first wife of which ancient historical figure?

What is the most common surname in Ireland?

By what name was the Albanian nun Mary Bojaxhiu better known?

In 1990, President George H.W. Bush reportedly banned which vegetable from Air Force One?

What breed of dog is Scooby Doo?

Talisker whisky is distilled on which Scottish island?

Which element is routinely added to table salt to help protect against thyroid problems and developmental disabilities?

Which famously rotund US President is rumoured to have once got stuck in the White House bathtub?

The FBI was founded by the great-nephew of which famous military figure?

The Janjaweed is a rebel militia group which is primarily active in which country?

Gram for gram, which is the world's most expensive spice?

Which British city's metro system is affectionately known by locals as the 'Clockwork Orange'?