Interior designer MaCenna Lee crafts snowflake ornaments and Christmas decor that add holiday charm.

For a more realistic look, paint green near the bottom and brown or grey closer to the top. French for “chewed paper,” papier-mache is a technique of binding pieces of paper or pulp with an adhesive.

Titled "Pour-over coffee: Mixing by a water jet impinging on a granular bed with avalanche dynamics," their 10-page paper in the journal Physics of Fluids was published Tuesday. "It began around ...