News: Theory and Simulation

Popping the top on house paint usually draws people to look inside the can. But Princeton researchers have turned their gaze upward, to the underside of the lid, where it turns out that pattern of droplets could inspire new ways to make microscopically small structures.
For centuries, scientists have puzzled over configurations of objects that fit a given space. These packing problems not only have fascinated mathematicians, they also hold critical implications for disciplines from chemistry to shipping.
Drinking is the principal route for water intake for most animal, a critical feature for their sustenance. The rules that govern this challenge, however, are not the same for all creatures, depending on their size and habitat. While suction is a common strategy, water uptake can thus take many forms, such as the use of hairy tongues.