Why Does Salt Melt Ice but Stop Working in Extreme Cold?

Good Words Speak Near and Point Far; Good Ways Hold Little and Reach Wide

Things Have Their Reasons and Their Acceptability

Why Can a Suction Cup Hold Until Air Leaks Under Its Edge?

Why Does Heated Milk Form a Skin on Top?

Be Cautious in Speech and Quick in Action

Why Can an Eraser Remove Pencil Marks?

Why Does a Compact Disc Show Rainbow Colours?

Why Do Fingers Wrinkle After Soaking in Water?

Learn Broadly, Hold Firm, Ask Closely and Think Near at Hand