The old food pyramid vs. RFK Jr's 'New Pyramid': See how the guidelines have evolved over time

The USDA first published guidance in 1980, then a food pyramid in 1992 and a 2011 "MyPlate" version. Here's how they stack up ...
IEEE

Integrating physics-based modeling with PDE solids for geometric design

Abstract: PDE techniques, which use partial differential equations (PDEs) to model the shapes of various real-world objects, can unify their geometric attributes and functional constraints in ...