It is no longer possible to average out the motion of the last planet — a scenario Lagrange and Laplace didn’t consider in their accounts of the solar system’s stability. “This will change completely ...

Jordan’s financial sector, dominated by banks, has withstood several large external shocks (Global Financial Crisis, Arab Spring, war in Syria and influx of refugees, and COVID-19) since the latest ...

The U.S. public mental healthcare system has been rendered unstable by its crippling incompetence. Antiquated and ineffective, the system drifts away from the stability it is designed to reinstate.