Title: London.
Question: What is the meaning of the later-believed pre-Celtic Old European origin of London's name?

Title: Light-emitting diode.
Question: What company has developed LEDs that can operate on AC power?

Title: Race (human categorization).
Question: What years did Kaszycka survey Eureopean anthropolgists' opinions toward the biological race concept?

Title: Translation.
Question:
What does it take a person to be able to do?