What material are fingernails made of?

More Questions:

Who is the inventor of the KonMari Method?

According to traditional rules, what color of poker chip has the highest value?

Who invented machine-spun cotton candy?

What kind of a creature is Rikki-Tikki-Tavi?

What two-word Latin phrase means "the reverse order"?

What author created Dr. Hannibal Lecter?

What is the most obvious physical difference between snails and slugs?

The tranquilizer diazepam is better known by what trademarked name?

The effect produced when sound is reflected back is known as what?

What 2005 horro short film shares a name with a piece of jewelry?

Where did Chris Farley’s SNL character Matt Foley live?

How many roles did Cheech Marin play in the 1996 movie "From Dusk Till Dawn"?

What major political scandal of the Harding administration involved a naval oil reserve on public land in Wyoming?

What European conflict lasted 115 years?

What is the most densely populated US state?