Hula hooping is so commonplace that we may overlook some interesting questions it raises: "What keeps a hula hoop up against gravity?" and "Are some body types better for hula hooping than others?" A ...
How do biological cells join forces to form a structure? In her Ph.D. research, Daphne Nesenberend uses mathematics to show how forces and cooperation between cells create structure—and how ...
How few corners can a shape have and still tile the plane?” mathematician Gábor Domokos asked me over pizza. His deceptively simple question was about the geometry of tilings, also called ...
What has 14 sides, is full of curves, and can perfectly cover a surface with no gaps or overlaps? It's not a riddle — it's a "vampire einstein." In March, a retired printing technician named David ...
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