Japan scientists develop plastic that dissolves in seawater within hours

WAKO, Japan: Researchers in Japan have developed a plastic that dissolves in seawater within hours, offering up a potential solution for a modern-day scourge polluting oceans and harming wildlife. While scientists have long experimented with biodegradable plastics, researchers from the Riken Center for Emergent Matter Science and the University of Tokyo say their new material breaks...

Scientists struggle to explain record surge in global heat

The world has been getting hotter for decades but a sudden and extraordinary surge in heat has sent the climate deeper into uncharted territory -- and scientists are still trying to figure out why. Over the past two years, temperature records have been repeatedly shattered by a streak so persistent and puzzling it has tested the...