Explaining a Concept
The Cause of Earthquakes and Tsunamis – Shangshang Mu
Nuclear Reactors – Kun Geng
Atomic Reactions – Han Han
How Enzymes Work – Sarina Yang
The Slingshot Effect – Jiang Li
Billiards and the Principle of Collision – Lingyue Cao
Query by Humming – Haohan Zhu