Q: Can the Great Depression be treated with Prozac?
A: Prozac is a pharmaceutical antidepressant for treatment of psychological disorders. The Great Depression was an economic phenomenon occurring in the early 20th century.
The answer is no.

Q: Has a tumulus been discovered on Mars?
A: A tumulus is a mound of earth and stones raised over a grave or graves. A grave is a location where a dead body (typically that of a human, although sometimes that of an animal) is buried. Mars has only been explored by unmanned spacecraft. Evidence suggests that the planet was once significantly more habitable than it is today, but whether living organisms ever existed there remains unknown.
The answer is no.

Q: Has categories of Nobel prizes remained same since Alfred Nobel established them?
A: Alfred Nobel established the Nobel prize in his will in 1895. Alfred Nobel established 5 Nobel prize categories: Chemistry, Literature, Peace, Physics, and Physiology or Medicine. The Nobel prize evolved to include a sixth category of Economic Sciences in 1968.
The answer is no.

Q: Can an emu chase a bogan?
A:
Emus are endemic to the continent of Australia. Bogan is a pejorative term for certain citizens of Australia.
The answer is yes.