Science

Cuba develops new hip prosthesis

Cuba presented a homegrown hip prosthesis to meet the domestic demand, especially among the elderly, a demographic segment that represents a little more than 20 percent of the population.»

Face Masks Still All-important to Fight Off Covid-19

WHO detailed face covering should be worn after a recent exposure to SARS-CoV-2, when someone has or suspects having being infected, is at high risk, and also if they are in a crowded, closed or poorly ventilated space.»