Researchers are investigating how to make electronic components from eco-friendly, biodegradable materials to help address a growing public health and environmental problem: around 50 million tonnes of electronic waste are produced every year.

A team of researchers from China and the U.S. has found independent brain activation patterns in bilingual people when they switch between languages. In their paper published in Science Advances, the group explains how they used a two-pronged approach to learn more about how the brain allows people to speak in more than one language. Scientists have long been intrigued by the brain's ability to learn more than one language—perhaps...