Sampling at Ny-Ålesund, Svalbard. Credit: Marco Vecchiato Traces of sunscreen agents were found at the North Pole, on the glaciers of the Svalbard archipelago. They were mainly deposited in winter, …
A few years ago, the researchers decided to put a superconducting metal called strontium ruthenate in their crosshairs. Its structure is similar to that of a mysterious class of copper-based …
Residences along a Norfolk Southern rail line in Whitemarsh Township outside Philadelphia were ordered to evacuate as a precautionary measure after 16 CSX freight train cars — one of them …