Title: Space Race.
Question: When did the Apollo 14 mission land successfully?

Title: Time.
Question: Artifacts from which era suggest that the moon was used to reckon time around 6,000 years ago?

Title: Predation.
Question: What changes to a keystone predator can seriously affect an ecosystem's equilibrium?

Title: The Bronx.
Question:
What percent of the Bronx is Mexican?