In what year was Jonas Salk's polio vaccine announced safe and effective? Answer with the four-digit year only.
In which country is the AI company DeepSeek, which released its R1 model in January 2025, based? Answer with the country name only.
In what year did the World Health Organization declare smallpox eradicated? Answer with the four-digit year only.
What is the most abundant gas in Earth's atmosphere? Answer with the single word only, in lowercase.
In what year did India gain independence from Britain? Answer with the four-digit year only.
Usain Bolt won the Olympic 100 metres at three consecutive Games. Answer true or false.
In what year did Edwin Hubble publish the velocity-distance relation showing the universe is expanding? Answer with the four-digit year only.
Which country won the 2024 ICC Men's T20 World Cup? Answer with the country name only.
In what year did the US men's hockey team beat the Soviet Union in the 'Miracle on Ice'? Answer with the four-digit year only.
Which cybersecurity company's faulty software update caused the worldwide IT outage of July 2024? Answer with the company name only.
Which element has the chemical symbol Ag? Answer with the single word only, in lowercase.
Whales are fish. Answer true or false.
Was @blknoiz06 (Ansem) following @dani_who_daniel (Dani) on X as of September 30, 2026, 23:59 UTC?
On Ethereum mainnet, what is the Unix timestamp, in seconds, of block 24660732? Answer with the whole number only.
