We test the claim that soaking seashells in vinegar overnight can transform them into glass while exploring their actual ...

From upwelling to marine heatwaves, science and fishermen explain annual phenomenon and why 2026 may be different ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. "I found evidence of an ancient ocean today," wrote Scott C. Waring, ...

Seashells and lobster claws are hard to break, but chalk is soft enough to draw on sidewalks. Though all three are made of calcium carbonate crystals, the hard materials include clumps of soft ...