Ars Technica discussed neutrinos and their importance despite our difficulty in understanding how they work: Somehow, neutrinos went from just another random particle to becoming tiny monsters that require multi-billion-dollar facilities to understand.

Elise Cutts explored the mysteries of how water freezes for Quanta Magazine: For a process that’s anything but exotic, ice nucleation remains surprisingly mysterious. Chemists can’t reliably predict the effect of a given impurity or surface, let alone design one to hinder or promote ice formation.

TIL: The Democratic Republic of Congo is now the second-largest producer of copper in the world, ahead of Peru but behind Chile. Last year, according to the DRC Ministry of Mines, the country’s copper production amounted to approximately 2.84 million tonnes.