House Digest on MSN10 天
18 Surprising Uses For Chalk Around The House
Although chalk is commonly used to create adorable drawings on driveways and sidewalks, there are 18 other ways you can ...
University of Manchester7 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 ...