(It’s easier to crush the tablet if you start from the edge rather than the middle.) Place the crushed eggshell and antacid tablet in a piece of paper. Place 1 Tablespoon of water and 1 Tablespoon of ...

The world’s oceans stow vast amounts of carbon dioxide. Now, a growing group of scientists and companies say they’ve found a way to increase that storage capacity by tweaking ocean water ...

Dissolved carbon dioxide in the water reacts with these alkaline substances to form bicarbonate ions, a stable form of carbon that can trap the element for millennia, thereby reducing carbon ...