Green Matters on MSN3 个月
Why Are Tums Made of Chalk? Exploring the Composition of the Popular Medicine
As Reader's Digest explains, the prominent ingredient in Tums is calcium carbonate, also found in chalk. The calcium ...
University of Manchester6 个月
Strength is shore thing for sea shell scientists
Writing in the journal Advanced Materials, scientists from The University of Manchester and The University of Leeds report that they have successfully reinforced calcium carbonate, or chalk, with ...