Problem: Which chart-topping band of the 90s had Professor Brian Cox as a member?
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A: d ream

Q: Joseph Addison and Richard Steele founded (in 1711), and Boris Johnson edited, which British magazine?
A: spectator

Problem: What is the largest city in Africa (by population)?
Answer: lagos

Q: What colour does verdant mean
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A: green

Q: Pravachol, Lipitor, Mevacor, Altocor, and Zocor are brands of what $multi-billion cholesterol controlling drug, ultimately named after Greek meaning 'causing to stand'?
What is the answer?

A: statin

Mei Li:
Which element accounts for 75% of the weight of the sun??
Shuai Zheng:
hydrogen