Residents of Thangkhroi Para, a centuries-old village in Bandarban Sadar upazila, are grappling with an acute drinking water ...

A drop of water is used to entrain a small air bubble ... you too can make your own “star in a jar.” We applaud [Justin]’s determination to bring this project to a successful conclusion.

Add 1 drop of blue food coloring to the cold water and gently mix ... Your adult partner should place a plastic card over the hot water jar and turn it upside down, being sure to hold the plastic in ...