Rene Laennac invented which aid for doctors in 1816?

More Questions:

A "black and tan" is a mixture of Bass Ale and what other beer?

Approximately, how tall is the Leaning Tower of Pisa?

Which major car company owns the luxury automotive brand Lexus?

Which videgame franchise had frequent segments on The Super Mario Bros. Super Show?

What was Cinderella's real name?

In "The Wizard of Oz', what was Dorothy's uncle's name?

What character, created by Hugh Lofting, could talk to animals?

Which US state is home to the city of Cape Girardeau?

What US state advertised "The Greatest Snow on Earth" on its license plates?

What is a group of toads called?

Which planet was originally known as the Georgian Star?

What does a zoologist study?

What classic sitcom character’s maiden name was McGillicuddy?

Who is the founder of Carthage?

The Northern Mariana Islands became a US territory during what war?