According to UNESCO, plastic waste makes up 80% of all marine pollution, with 8–10 million metric tons of plastic making its ...

Consumers cut up plastic soda can rings before putting them in the trash because they know they could end up in the ocean.

Calcium carbonate is everywhere. From seashells to eggshells to antacid medicine, it is one of the most abundant minerals on our planet. But scientists still don’t agree on how it forms its many ...

Calcium carbonate is in eggshells, seashells, a rock called marble, and in antacid tablets like Tums and Rolaids. In this activity, you can use a common liquid to detect calcium carbonate! Cover your ...

Use eggshells in garden beds where the soil content is too acidic for your plants. The calcium content in eggshells can ...

Creatures like snails, clams, oysters and mussels use an organ called a mantle to secrete layers of calcium carbonate, which crystallize and harden. Mollusks have a physical bias toward the right ...