Mei Li:
What is the most times a piece of paper can be folded in half??
Shuai Zheng:
seven
Mei Li:
"What weapon is used in Tchaikovsky's ""1812 Overture""?"?
Shuai Zheng:
cannon
Mei Li:
What part of the body does interstitial nephritis affect??
Shuai Zheng:
kidneys