A new study describes how spheres can be transformed into twisted spindles thanks to insights from 16th century navigational tools. Researchers show how polymers can contract into spiral structures, ...

From the intricate patterns of pollen grains to the logarithmic spirals of nautilus shells, biology is full of complex patterns, shapes, and geometries. Many of these intricate structures play ...

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- a line on a sphere that cuts all meridians at the same angle; the path taken by a ship or plane that maintains a constant compass direction ...