Computer Science Department has introduced an innovative solution for health issues caused by chalk dust in classrooms. Prof ...

Cement manufacturing and repair could be significantly improved by using biocement-producing bacteria, but growing the ...

I'm really rooting for the Stanford University researchers working on this carbon removal method. They've found a way to ...

Making your own chalk paint is an easy and inexpensive alternative to buying it ready-made. These recipes all yield quality results.

Chalk paint creates a soft ... like plaster of Paris or baking soda.” Calcium carbonate is mostly known as a dietary supplement used to treat upset stomachs and heartburn.

Hard water is the type of water that has high mineral content (in contrast with soft water). Hard water minerals primarily ...

Matt Arnold, of the Rivers Trust, fears fish might be harmed by sewage Concerns have been raised about sewage being discharged into a "pristine" chalk stream. Matt Arnold, of the East Yorkshire ...

Limescale forms when hard water evaporates, leaving behind minerals such as calcium and magnesium carbonate. Although limescale is harmless to consume, it can harm your kettle and shorten its lifespan ...

Nov. 5, 2020 — Scientists have discovered a spongy form of calcium carbonate (CaCO3), a material found in limestone, chalk, marble, and the shells of mussels and other shellfish. While most ...

"This is one of the first demonstrations of microbial dissolution of calcium carbonate at a higher pH," said Karrie Weber, professor of biological sciences and Earth and atmospheric sciences.