Researchers have made a dust from baker's yeast that can detect COVID-19 and could safeguard communities against future pandemics.

Low-cost and versatile patch can be customised for different types and sizes of wounds, and provides early warning of adverse conditions to facilitate wound care and management.

Researchers have succeeded in producing a metasurface with a diameter of almost 30 centimeters using electron beam lithography - a world record.

This work has important implications for improving the properties and manufacturing processes of typically brittle ionic and covalent crystals, including semiconductors.