# Compartmental Model Exposes Reality of the U.S. Opioid Epidemic

Christopher Strickland presented a sobering model of prescription opioid addiction and treatment during MPE18.

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Christopher Strickland presented a sobering model of prescription opioid addiction and treatment during MPE18.

In his John von Neumann Lecture at AN18, Charles Van Loan spoke about the untangling of random polygons.

Volker Mehrmann overviewed of his work with differential-algebraic equations during a prize lecture at AN18.

Both evolutionary advantages and simple biochemical mechanisms drive striping and spotting patterns.

The concurrency of altitudes in a triangle (at the point called the orthocenter) has been known since the times of Euclid.

At LS18, Daniel Forger spoke about the math behind auditory processing, musical representation, and the neuroscience of performance.

The difficulty of quantifying uncertainty in complex models, such as predicting a storm or hurricane's path, must be met with urgency.

John Mattingly has spent five years mathematically dissecting the structure of a typical redistricting to identify gerrymandering.

The second SIAM Conference on Mathematics of Planet Earth will take place this September in Philadelphia, Pa.

In his monthly column, Mark Levi delves into the problem of concurrency of altitudes in a triangle.

Researchers identify relationships between climate and human health to develop forecasting and preparation methods.

Author Felix Otto reflects on the *SIAM Journal on Mathematical Analysis*' most popular article.

Mark Levi considers a circular mirror with a reflecting inner surface, illuminated by a pencil of incoming parallel rays.

In this month's "Mathematical Curiosities" column, Mark Levi relates a Möbius map to four different contexts.

On the occasion of *SIAM Review*’s 60th volume, SIAM President Nick Higham traces the journal’s history.