science

Stuffing a stocking or wrapping an oddly shaped present? Science can help. Whether it’s Christmas shoppers mailing last minute gifts or a steelyard dispatching ball bearings to factories, everyone wants to maximize the number of objects that fit into a container. Naturally the packing fraction — the fraction of the …

A United Nations report on climate change that has been lambasted for its faulty research is under new attack for yet another instance of what its critics say is sloppy science — adding to a growing scandal that has undermined the credibility of scientists and policymakers who back the U.N.’s …