storkus (179708) writes "Magneto-hydrodynamics (MHD) has been suspected for a while as reason why the sun's corona is millions of degrees while the surface is only thousands. Northumbria University has now apparently confirmed this using a custom telescope." Link to Original Source
One of the chief duties of the mathematician in acting as an advisor...
is to discourage... from expecting too much from mathematics.
-- N. Wiener