Biology

An accidental gunshot wound left Alexis St. Martin with a permanent hole in his chest in 1822. This wound enabled Dr. William Beaumont to study what vital organ?

The Stomach
http://en.wikipedia.org/wiki/William_Beaumont

Geography

Only 3 country names begin with the letters "O" "Q" and "Y" (one nation per letter). What are the names of these countries?

Oman, Qatar, and Yemen
http://en.wikipedia.org/wiki/Oman
http://en.wikipedia.org/wiki/Qatar
http://en.wikipedia.org/wiki/Yemen

Astronomy

In 2015, The Dawn spacecraft will reach Ceres, the largest asteroid in the solar system. Between which planets will you find Ceres?

Between Mars and Jupiter - in the asteroid belt
https://en.wikipedia.org/wiki/Ceres_%28dwarf_planet%29

U.S. History

On August 4, 1922, every phone in North America went silent to honor the passing of what man?

Alexander Graham Bell
http://idiotsguides.com/static/didyouknow/unitedstateshistory/03-10-11-bell-telephone.html

English

What famous British man invented over 1700 of the common English words we use?

William Shakespeare
http://www.shakespeare-online.com/biography/wordsinvented.html

U.S. History

David Atchison served as President of the United States for 1 day. What day of the week was it?

Sunday. He was Vice President to James Polk, whose term ended the day before, but the new president-elect, Zachary Taylor, would not be sworn in on Sunday.
http://idiotsguides.com/static/didyouknow/unitedstateshistory/02-23-11-shortest-term.html

Movies

What Muppet character made a cameo appearance on the blooper reel for Star Wars: The Empire Strikes Back?

Miss Piggy
http://idiotsguides.com/static/didyouknow/artsentertainment/02-16-11-miss-piggy.html