What grapefruit-sized object has been reckoned to be the largest single cell on earth?

More Questions:

What brand of breakfast cereal has the phrase "Two Scoops!" emblazoned on its box?

What 1969 bestseller begins with a satellite called SCOOP crashing in Arizona?

What is the middle name of author Arthur C. Clarke?

The visible spectrum of light ranges from red to what other color?

Which element has the chemical symbol Pt?

What is the chemical symbol for Chlorine?

What happens to Neo twice in a row that clues Trinity in to a glitch in the movie "The Matrix"?

Who is C3-PO's sidekick?

What singer was born Cherilyn Sarkisian?

Who played European John Blackthorne in the miniseries "Shogun"?

The choreographer of the movie "High School Musical" previously choreographed what popular 1987 movie?

Jello Biafra was the lead singer of what band?

Which is the only one of the Seven Wonders of the Ancient World still standing?

What is the more common name for the Bigelow Expandable Activity Module that was added to the International Space Station in 2016?

Gaborone is the capital of which country?