Medicine & TechnologyA new study from Northwestern University in Illinois has synthesized a new form of melanin that could help shield the human skin and fabrics from toxins and radiation.
The world's fastest supercomputer casts doubt on the effectiveness of face shields in preventing the spread of SARS-CoV-2, the virus that caused COVID-19.
Face shields can be sterilized and cleaned easily, so they are reusable indefinitely until some component breaks or cracks, although they do not entirely replace the need for face masks.